List of climate change topics
Encyclopedia
This is a list of climate change topics.

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100,000-year problem
100,000-year problem
The 100,000-year problem is a discrepancy between past temperatures and the amount of incoming solar radiation, or insolation. The former rises and falls according to the strength of radiation from the sun, the distance from the earth to the sun, and the tilt of the Earth's poles...

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1500-Year climate cycle  -
4 Degrees and Beyond International Climate Conference
4 Degrees and Beyond International Climate Conference
The 4 Degrees and Beyond International Climate Conference, subtitled Implications of a Global Climate Change of 4+ Degrees for People, Ecosystems and the Earth-system, was held 28-30 September 2009 at Oxford, United Kingdom. Implications of...


A

Abrupt climate change
Abrupt climate change
An abrupt climate change occurs when the climate system is forced to transition to a new state at a rate that is determined by the climate system itself, and which is more rapid than the rate of change of the external forcing...

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The Age of Stupid
The Age of Stupid
The Age of Stupid is a 2009 British film by Franny Armstrong, director of McLibel and Drowned Out, and founder of 10:10, and first-time producer Lizzie Gillett...

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Albedo
Albedo
Albedo , or reflection coefficient, is the diffuse reflectivity or reflecting power of a surface. It is defined as the ratio of reflected radiation from the surface to incident radiation upon it...

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An Inconvenient Truth
An Inconvenient Truth
An Inconvenient Truth is a 2006 documentary film directed by Davis Guggenheim about former United States Vice President Al Gore's campaign to educate citizens about global warming via a comprehensive slide show that, by his own estimate, he has given more than a thousand times.Premiering at the...

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An Inconvenient Book
An Inconvenient Book
An Inconvenient Book: Real Solutions to the World's Biggest Problems is a 2007 political narrative written and edited by conservative commentator Glenn Beck-Explanation of the book's title:...

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Antarctica cooling controversy
Antarctica cooling controversy
The Antarctica cooling controversy relates to questions posed in popular media regarding whether or not current temperature trends in Antarctica cast doubt on global warming. Observations unambiguously show the Antarctic Peninsula to be warming...

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Antarctic Cold Reversal
Antarctic Cold Reversal
The Antarctic Cold Reversal was an important episode of cooling in the climate history of the Earth, during the deglaciation at the close of the last ice age. It illustrates the complexity of the climate changes at the transition from the Pleistocene to the Holocene Epoch.The Last Glacial Maximum...

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Antarctic oscillation
Antarctic oscillation
The Antarctic oscillation is a low-frequency mode of atmospheric variability of the southern hemisphere...

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Arctic Climate Impact Assessment
Arctic Climate Impact Assessment
The Arctic Climate Impact Assessment is a study describing the ongoing climate change in the Arctic and its consequences: rising temperatures, loss of sea ice, unprecedented melting of the Greenland ice sheet, and many impacts on ecosystems, animals, and people...

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Arctic geoengineering
Arctic geoengineering
Temperatures in the Arctic region have tended to increase more rapidly than the global average. Projections of sea ice loss that are adjusted to take account of recent rapid Arctic shrinkage suggest that the Arctic will likely be free of summer sea ice sometime between 2059 and 2078...

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Arctic shrinkage
Arctic shrinkage
Ongoing changes in the climate of the Arctic include rising temperatures, loss of sea ice, and melting of the Greenland ice sheet. Projections of sea ice loss suggest that the Arctic ocean will likely be free of summer sea ice sometime between 2060 and 2080, while another estimate puts this date at...

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Arctic oscillation
Arctic oscillation
The Arctic oscillation or Northern Annular Mode/Northern Hemisphere Annular Mode is an index of the dominant pattern of non-seasonal sea-level pressure variations north of 20N latitude, and it is characterized by pressure anomalies of one sign in the Arctic with the opposite anomalies centered...

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Atlantic oscillation
North Atlantic oscillation
The North Atlantic oscillation is a climatic phenomenon in the North Atlantic Ocean of fluctuations in the difference of atmospheric pressure at sea level between the Icelandic low and the Azores high. Through east-west oscillation motions of the Icelandic low and the Azores high, it controls the...

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Arctic Climate Impact Assessment
Arctic Climate Impact Assessment
The Arctic Climate Impact Assessment is a study describing the ongoing climate change in the Arctic and its consequences: rising temperatures, loss of sea ice, unprecedented melting of the Greenland ice sheet, and many impacts on ecosystems, animals, and people...

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Arctic methane release
Arctic methane release
Arctic methane release is the release of methane from seas and soils in permafrost regions of the Arctic, as part of a more general release of carbon from these soils and seas. Whilst a long-term natural process, it may be exacerbated by global warming. This results in a weak positive feedback...

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Arctic shrinkage
Arctic shrinkage
Ongoing changes in the climate of the Arctic include rising temperatures, loss of sea ice, and melting of the Greenland ice sheet. Projections of sea ice loss suggest that the Arctic ocean will likely be free of summer sea ice sometime between 2060 and 2080, while another estimate puts this date at...

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Atlantic Multidecadal Oscillation
Atlantic Multidecadal Oscillation
The Atlantic multidecadal oscillation is a mode of variability occurring in the North Atlantic Ocean and which has its principal expression in the sea surface temperature field...

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Atmospheric circulation
Atmospheric circulation
Atmospheric circulation is the large-scale movement of air, and the means by which thermal energy is distributed on the surface of the Earth....

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Atmospheric sciences
Atmospheric sciences
Atmospheric sciences is an umbrella term for the study of the atmosphere, its processes, the effects other systems have on the atmosphere, and the effects of the atmosphere on these other systems. Meteorology includes atmospheric chemistry and atmospheric physics with a major focus on weather...

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Atmospheric window -
Attribution of recent climate change
Attribution of recent climate change
Attribution of recent climate change is the effort to scientifically ascertain mechanisms responsible for recent changes observed in the Earth's climate...

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Aviation and climate change -
Aviation and the environment
Aviation and the environment
The environmental impact of aviation occurs because aircraft engines emit noise, particulates, and gases which contribute to climate change and global dimming...

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Avoiding dangerous climate change
Avoiding Dangerous Climate Change
The related terms "avoiding dangerous climate change" and "preventing dangerous anthropogenic interference with the climate system" date to 1995 and earlier, in the Second Assesment Report of the International Panel on Climate Change and previous science it cites.In 2002, the United Nations...


B

Bali Communiqué
Bali Communiqué
On 30 November 2007, the business leaders of 150 global companies published a communiqué to world leaders calling for a comprehensive, legally binding United Nations framework to tackle climate change....

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Bali roadmap
Bali roadmap
After the 2007 United Nations Climate Change Conference on the island Bali in Indonesia in December, 2007 the participating nations adopted the Bali Road Map as a two-year process to finalizing a binding agreement in 2009 in Copenhagen...

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Biochar
Biochar
Biochar or terra preta is charcoal created by pyrolysis of biomass. Biochar is under investigation as an approach to carbon sequestration via bio-energy with carbon capture and storage. Biochar thus has the potential to help mitigate climate change, via carbon sequestration...

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Bio-energy with carbon capture and storage
Bio-energy with carbon capture and storage
Bio-energy with carbon capture and storage is a greenhouse gas mitigation technology which produces negative carbon emissions by combining biomass use with geologic carbon capture and storage....

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Bio-geoengineering
Bio-geoengineering
Bio-geoengineering is a form of geoengineering which seeks to use or modify plants or other living things to modify the Earth's climate.Bio-energy with carbon storage, afforestation projects, and ocean nourishment could be considered examples of bio-geoengineering....

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Black carbon
Black carbon
In Climatology, black carbon or BC is a climate forcing agent formed through the incomplete combustion of fossil fuels, biofuel, and biomass, and is emitted in both anthropogenic and naturally occurring soot. It consists of pure carbon in several linked forms...

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Blytt-Sernander
Blytt-Sernander
The Blytt-Sernander classification, or sequence, is a series of north European climatic periods or phases based on the study of Danish peat bogs by Axel Blytt and Rutger Sernander...

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Broad Spectrum Revolution
Broad spectrum revolution
The Broad Spectrum Revolution hypothesis, proposed by Kent Flannery in a 1968 paper presented to a London University symposium, suggested that the emergence of the Neolithic in southwest Asia was prefaced by increases in dietary breadth among foraging societies...

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Business action on climate change
Business action on climate change
Business action on climate change includes a range of activities relating to global warming, and to influencing political decisions on global-warming-related regulation, such as the Kyoto Protocol...


C

Callendar effect -
Cap and Share
Cap and Share
Cap and Share was originally developed by Feasta and is a regulatory and economic framework for controlling the use of fossil fuels in relation to climate stabilisation...

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Carbon capture and storage
Carbon capture and storage
Carbon capture and storage , alternatively referred to as carbon capture and sequestration, is a technology to prevent large quantities of from being released into the atmosphere from the use of fossil fuel in power generation and other industries. It is often regarded as a means of mitigating...

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Carbon cycle
Carbon cycle
The carbon cycle is the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of the Earth...

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Carbon negative
Carbon negative
Carbon negative is an adjectival phrase used to describe any process that removes carbon dioxide from the atmosphere, with the intent to avoid global warming.-Carbon dioxide sinks and carbon negativity:...

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Carbon neutral
Carbon neutral
Carbon neutrality, or having a net zero carbon footprint, refers to achieving net zero carbon emissions by balancing a measured amount of carbon released with an equivalent amount sequestered or offset, or buying enough carbon credits to make up the difference...

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Carbon project
Carbon project
A carbon project refers to a business initiative that receives funding because of the cut the emission of greenhouse gases that will result...

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Carbon sequestration -
Carbon offset
Carbon offset
A carbon offset is a reduction in emissions of carbon dioxide or greenhouse gases made in order to compensate for or to offset an emission made elsewhere....

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Carbon sink -
Carbon tax
Carbon tax
A carbon tax is an environmental tax levied on the carbon content of fuels. It is a form of carbon pricing. Carbon is present in every hydrocarbon fuel and is released as carbon dioxide when they are burnt. In contrast, non-combustion energy sources—wind, sunlight, hydropower, and nuclear—do not...

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Catastrophic climate change -
Center for the Study of Carbon Dioxide and Global Change
Center for the Study of Carbon Dioxide and Global Change
The Center for the Study of Carbon Dioxide and Global Change is a 501 non-profit organization based in Arizona in the United States...

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Clathrate gun hypothesis
Clathrate gun hypothesis
The clathrate gun hypothesis is the popular name given to the hypothesis that rises in sea temperatures can trigger the sudden release of methane from methane clathrate compounds buried in seabeds and permafrost which, because the methane itself is a powerful greenhouse gas, leads to further...

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Clean coal technology
Clean coal technology
Clean coal technology is a collection of technologies being developed to reduce the environmental impact of coal energy generation. When coal is used as a fuel source, the gaseous emmissions generated by the thermal decomposition of the coal, include sulphur dioxide, nitrogen dioxide, carbon...

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Clean Energy Trends
Clean Energy Trends
Clean Energy Trends is a series of reports by Clean Edge which examine markets for solar, wind, geothermal, fuel cells, biofuels, and other clean energy technologies. Since the publication of the first Clean Energy Trends report in 2002, Clean Edge has provided anannual snapshot of both the global...

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Climate
Climate
Climate encompasses the statistics of temperature, humidity, atmospheric pressure, wind, rainfall, atmospheric particle count and other meteorological elemental measurements in a given region over long periods...

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Climate change
Climate change
Climate change is a significant and lasting change in the statistical distribution of weather patterns over periods ranging from decades to millions of years. It may be a change in average weather conditions or the distribution of events around that average...

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Climate change acronyms
Climate change acronyms
The Intergovernmental Panel on Climate Change with the United Nations Framework Convention on Climate Change have implemented the use of tens of acronyms in documents relating to climate change policy.- C :...

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Climate Change Act 2008 -
Climate change and agriculture
Climate change and agriculture
Climate change and agriculture are interrelated processes, both of which take place on a global scale. Global warming is projected to have significant impacts on conditions affecting agriculture, including temperature, carbon dioxide, glacial run-off, precipitation and the interaction of these...

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Climate change denial
Climate change denial
Climate change denial is a term used to describe organized attempts to downplay, deny or dismiss the scientific consensus on the extent of global warming, its significance, and its connection to human behavior, especially for commercial or ideological reasons...

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Climate change in Japan -
Climate change in Maldives -
Climate change in popular culture
Climate change in popular culture
The issue of climate change and global warming, its possible effects, and related human-environment interaction have entered popular culture since the late 20th century....

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Climate change mitigation -
Climate change mitigation scenarios
Climate change mitigation scenarios
Climate change mitigation scenarios are possible futures in which global warming is reduced by deliberate actions, such as a comprehensive switch to energy sources other than fossil fuels...

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Climate commitment -
Climate crunch -
Climate cycle
Climate cycle
A climate cycle is a type of recurring climate pattern that involves natural cyclic variations in the Earth's surface temperature, as indicated by temperature proxies found in glacier ice, sea bed sediment, tree ring studies or otherwise....

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Climate ethics
Climate ethics
Climate Ethics is a new and growing area of research that focuses on the ethical dimensions of climate change, and concepts such as climate justice....

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Climate governance
Climate governance
Climate governance is a concept used in political ecology and environmental policy. It encompasses the diplomacy, mechanisms and measures "aimed at steering social systems towards preventing, mitigating or adapting to the risks posed by climate change"...

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Climate Investment Funds
Climate Investment Funds
The Climate Investment Funds were designed by developed and developing countries and are implemented with the multilateral development banks to bridge the financing and learning gap between now and the next international climate change agreement...

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Climate model
Climate model
Climate models use quantitative methods to simulate the interactions of the atmosphere, oceans, land surface, and ice. They are used for a variety of purposes from study of the dynamics of the climate system to projections of future climate...

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Climate refugee
Climate refugee
Environmental migrant refers to the people who are purportedly forced to migrate from or flee their home region due to sudden or long-term changes to their local environment, which is held to include increased droughts, desertification, sea level rise, and disruption of seasonal weather patterns...

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Climate risk management
Climate risk management
Climate Risk Management is a term is used for a large and growing body of work, bridging the climate change adaptation, disaster management and development sectors, amongst many others.- Definition :...

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Climate scientists (list) -
Climate sensitivity
Climate sensitivity
Climate sensitivity is a measure of how responsive the temperature of the climate system is to a change in the radiative forcing. It is usually expressed as the temperature change associated with a doubling of the concentration of carbon dioxide in Earth's atmosphere.The equilibrium climate...

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Climate surprise -
Climate variability -
Climatic Research Unit email controversy
Climatic Research Unit email controversy
The Climatic Research Unit email controversy began in November 2009 with the hacking of a server at the Climatic Research Unit at the University of East Anglia...

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Cloud feedback
Cloud feedback
Cloud feedback is the coupling between cloudiness and surface air temperature in which a change in radiative forcing perturbs the surface air temperature, leading to a change in clouds, which could then amplify or diminish the initial temperature perturbation....

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Cloud reflectivity enhancement
Cloud reflectivity enhancement
Cloud reflectivity enhancement is also known as 'marine cloud brightening' or 'cloud whitening' on low cloud. An opposite scheme exists to reduce the reflectivity of higher, colder cirrus clouds. It is a geoengineering technique that works by solar radiation management. By modifying the...

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Coal phase out
Coal phase out
A fossil fuel phase-out are plans for transport electrification, decommissioning of operating fossil fuel-fired power plants and prevention of the construction of new fossil-fuel-fired power stations. The purpose of this is to decrease the high concentration of greenhouse gas emissions, which are...

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Contrail
Contrail
Contrails or vapour trails are artificial clouds that are the visible trails of condensed water vapour made by the exhaust of aircraft engines...

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Cool roof
Cool roof
Cool roofs are the roofs that can deliver high solar reflectance and high thermal emittance...

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Cool tropics paradox
Cool tropics paradox
The cool tropics paradox refers to an apparent difference between modelled estimates of tropical temperatures during warm, ice-free periods of the Cretaceous and Eocene, and the colder temperatures which proxies suggested were present...

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Coral bleaching
Coral bleaching
Coral bleaching is the loss of intracellular endosymbionts through either expulsion or loss of algal pigmentation.The corals that form the structure of the great reef ecosystems of tropical seas depend upon a symbiotic relationship with unicellular flagellate protozoa, called zooxanthellae, that...


E

Eco-efficiency
Eco-efficiency
The term eco-efficiency was coined by the World Business Council for Sustainable Development in its 1992 publication "Changing Course". It is based on the concept of creating more goods and services while using fewer resources and creating less waste and pollution.The 1992 Earth Summit endorsed...

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Early anthropocene -
Earth's atmosphere
Earth's atmosphere
The atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ultraviolet solar radiation, warming the surface through heat retention , and reducing temperature extremes between day and night...

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Earth's energy budget
Earth's energy budget
The Earth can be considered as a physical system with an energy budget that includes all gains of incoming energy and all losses of outgoing energy. The planet is approximately in equilibrium, so the sum of the gains is approximately equal to the sum of the losses.Note on accompanying images:...

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EarthLab
Earthlab
EarthLab, is the first and the leading Climate crisis community, uses an ECP calculator to help create carbon footprint profiles for its members. EarthLab works to inform its members and the general public about the effects of global warming and climate change...

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Earth Hour
Earth Hour
Earth Hour is a global event organized by WWF and is held on the last Saturday of March annually, asking households and businesses to turn off their non-essential lights and other electrical appliances for one hour to raise awareness towards the need to take action on climate change...

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Earthshine -
East Antarctic Ice Sheet
East Antarctic Ice Sheet
The East Antarctic Ice Sheet is one of two large ice sheets in Antarctica, and the largest on the entire planet. The EAIS lies between 45° West and 168° East longitudinally....

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Ecotax
Ecotax
Ecotax refers to taxes intended to promote ecologically sustainable activities via economic incentives. Such a policy can complement or avert the need for regulatory approaches. Often, an ecotax policy proposal may attempt to maintain overall tax revenue by proportionately reducing other taxes...

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Ecological Forecasting
Ecological forecasting
Ecological forecasting uses knowledge of physics, ecology and physiology to predict how ecosystems will change in the future in response to environmental factors such as climate change...

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Effects of climate change on marine mammals
Effects of climate change on marine mammals
Climate change is a cause of increasing concern to scientists and it will have dramatic effects on marine mammals. The increase of carbon dioxide and other greenhouse gases into the atmosphere are thought to be the main cause of climate change or global warming...

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Effect of climate change on plant biodiversity
Effect of climate change on plant biodiversity
Environmental conditions play a key role in defining the function and distribution of plants, in combination with other factors. Changes in long term environmental conditions that can be collectively coined climate change are known to have had enormous impacts on plant diversity patterns in the...

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Effects of global warming
Effects of global warming
This article is about the effects of global warming and climate change. The effects, or impacts, of climate change may be physical, ecological, social or economic. Evidence of observed climate change includes the instrumental temperature record, rising sea levels, and decreased snow cover in the...

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Effects of global warming on Australia
Effects of global warming on Australia
Predictions measuring the effects of global warming on Australia assert that climate change will negatively impact the continent's environment, economy, and communities...

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Effects of global warming on India -
Efficient energy use
Efficient energy use
Efficient energy use, sometimes simply called energy efficiency, is the goal of efforts to reduce the amount of energy required to provide products and services. For example, insulating a home allows a building to use less heating and cooling energy to achieve and maintain a comfortable temperature...

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El Niño (ENSO) -
Emission Reduction Unit
Emission Reduction Unit
The Emission reduction unit is a trading unit under the Kyoto Protocol representing a reduction of greenhouse gases under the Joint Implementation mechanism, where it represents one tonne of equivalent reduced....

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Emission inventory
Emission inventory
An emission inventory is an accounting of the amount of pollutants discharged into the atmosphere. An emission inventory usually contains the total emissions for one or more specific greenhouse gases or air pollutants, originating from all source categories in a certain geographical area and within...

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Emission standards -
Emissions trading
Emissions trading
Emissions trading is a market-based approach used to control pollution by providing economic incentives for achieving reductions in the emissions of pollutants....

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Energie-Cités
Energie-Cités
Energy Cities, previously named Energie-Cités, is the European Association of local authorities focused on energy use. It represents 1000 towns and cities in 30 countries. From 2009 to 2011, Energy Cities is under the Presidency of the City of Heidelberg...

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Energy Autonomy
Energy Autonomy
Energy Autonomy: The Economic, Social & Technological Case for Renewable Energy is a 2007 book written by Hermann Scheer.For 200 years industrial civilization has relied on the combustion of abundant and cheap fossil fuels. But continued reliance has had some adverse social and environmental...

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Energy conservation
Energy conservation
Energy conservation refers to efforts made to reduce energy consumption. Energy conservation can be achieved through increased efficient energy use, in conjunction with decreased energy consumption and/or reduced consumption from conventional energy sources...

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Energy forestry
Energy forestry
Energy forestry is a form of forestry in which a fast-growing species of tree or woody shrub is grown specifically to provide biomass or biofuel for heating or power generation....

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Enteric fermentation
Enteric fermentation
Enteric fermentation is a digestive process by which carbohydrates are broken down by microorganisms into simple molecules for absorption into the bloodstream of an animal.It is one of the factors in increased methane emissions....

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Environmental crime
Environmental crime
Environmental crime can be broadly defined as illegal acts, which directly harmthe environment. International bodies such as the G8, Interpol, EU, UN Environment Programme and the UN Interregional Crime and Justice Research Institute have recognised the following environmental crimes:* Illegal...

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Environmental impact of aviation -
Environmental skepticism
Environmental skepticism
Environmental skepticism is an umbrella term that describes those that argue that particular claims put forward by environmentalists and environmental scientists who support the first are false or exaggerated, along with those who are critical of environmentalism in general...

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European Climate Forum
European Climate Forum
The European Climate Forum is a platform for joint studies and science-based stakeholder dialogues on climatic change. ECF brings together representatives of different parties concerned with the climate problem.-Objectives and Vision:...


F

Fossil fuel
Fossil fuel
Fossil fuels are fuels formed by natural processes such as anaerobic decomposition of buried dead organisms. The age of the organisms and their resulting fossil fuels is typically millions of years, and sometimes exceeds 650 million years...

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Fossil fuel phase out -
Fossil fuel power plant
Fossil fuel power plant
A fossil-fuel power station is a power station that burns fossil fuels such as coal, natural gas or petroleum to produce electricity. Central station fossil-fuel power plants are designed on a large scale for continuous operation...

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Freon - food security
Food security
Food security refers to the availability of food and one's access to it. A household is considered food-secure when its occupants do not live in hunger or fear of starvation. According to the World Resources Institute, global per capita food production has been increasing substantially for the past...


G

G8+5
G8+5
The G8+5 group of leaders consists of the heads of government from the G8 nations , plus the heads of government of the five leading emerging economies .-February 2007 Declaration:On February 16, 2007, The Global Legislators Organisation The G8+5 group of leaders consists of the heads of government...

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Geoengineering
Geoengineering
The concept of Geoengineering refers to the deliberate large-scale engineering and manipulation of the planetary environment to combat or counteract anthropogenic changes in atmospheric chemistry The Intergovernmental Panel on Climate Change concluded in 2007 that geoengineering options, such...

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GFDL CM2.X
GFDL CM2.X
GFDL CM2.X is a coupled atmosphere-ocean general circulation model developed at the NOAA Geophysical Fluid Dynamics Laboratory in the United States...

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Global Change Master Directory -
Global climate model
Global climate model
A General Circulation Model is a mathematical model of the general circulation of a planetary atmosphere or ocean and based on the Navier–Stokes equations on a rotating sphere with thermodynamic terms for various energy sources . These equations are the basis for complex computer programs commonly...

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Global cooling
Global cooling
Global cooling was a conjecture during the 1970s of imminent cooling of the Earth's surface and atmosphere along with a posited commencement of glaciation...

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Global climate model
Global climate model
A General Circulation Model is a mathematical model of the general circulation of a planetary atmosphere or ocean and based on the Navier–Stokes equations on a rotating sphere with thermodynamic terms for various energy sources . These equations are the basis for complex computer programs commonly...

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Global dimming
Global dimming
Global dimming is the gradual reduction in the amount of global direct irradiance at the Earth's surface that was observed for several decades after the start of systematic measurements in the 1950s. The effect varies by location, but worldwide it has been estimated to be of the order of a 4%...

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Global warming
Global warming
Global warming refers to the rising average temperature of Earth's atmosphere and oceans and its projected continuation. In the last 100 years, Earth's average surface temperature increased by about with about two thirds of the increase occurring over just the last three decades...

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Global warming controversy
Global warming controversy
Global warming controversy refers to a variety of disputes, significantly more pronounced in the popular media than in the scientific literature, regarding the nature, causes, and consequences of global warming...

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Global warming period -
Global warming potential
Global warming potential
Global-warming potential is a relative measure of how much heat a greenhouse gas traps in the atmosphere. It compares the amount of heat trapped by a certain mass of the gas in question to the amount of heat trapped by a similar mass of carbon dioxide. A GWP is calculated over a specific time...

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Greenhouse and Icehouse Earth
Greenhouse and Icehouse Earth
For the past millions of years, the earth has been fluctuating between two different states of dominant climate: Greenhouse and Icehouse. These two climate sets are complete opposites from each other and is on a continuing, uneven cycle between the two...

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Greenhouse debt
Greenhouse debt
Greenhouse debt or carbon debt is the measure to which an individual person, incorporated association, business enterprise, government instrumentality or geographic community exceeds its permitted greenhouse footprint and contributes greenhouse gases that contribute to global warming and climate...

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Greenhouse effect
Greenhouse effect
The greenhouse effect is a process by which thermal radiation from a planetary surface is absorbed by atmospheric greenhouse gases, and is re-radiated in all directions. Since part of this re-radiation is back towards the surface, energy is transferred to the surface and the lower atmosphere...

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Greenhouse gas
Greenhouse gas
A greenhouse gas is a gas in an atmosphere that absorbs and emits radiation within the thermal infrared range. This process is the fundamental cause of the greenhouse effect. The primary greenhouse gases in the Earth's atmosphere are water vapor, carbon dioxide, methane, nitrous oxide, and ozone...

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Greenhouse gas accounting
Greenhouse gas accounting
Greenhouse gas accounting describes the way to inventory and audit greenhouse gas emissions.Guidance for accounting for GHG emissions from organizations and emission reduction projects is provided by the World Resources Institute and World Business Council for Sustainable Development GHG Protocol...

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Greenhouse gas inventory
Greenhouse gas inventory
Greenhouse gas inventories are a type of emission inventory that are developed for a variety of reasons. Scientists use inventories of natural and anthropogenic emissions as tools when developing atmospheric models. Policy makers use inventories to develop strategies and policies for emissions...

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Gulf Stream
Gulf Stream
The Gulf Stream, together with its northern extension towards Europe, the North Atlantic Drift, is a powerful, warm, and swift Atlantic ocean current that originates at the tip of Florida, and follows the eastern coastlines of the United States and Newfoundland before crossing the Atlantic Ocean...


H

History of climate change science
History of climate change science
The history of the scientific discovery of climate change began in the early 19th century when natural changes in paleoclimate were first suspected and the natural greenhouse effect first identified. In the late 19th century, scientists first argued that human emissions of greenhouse gases could...

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Holocene climatic optimum
Holocene climatic optimum
The Holocene Climate Optimum was a warm period during roughly the interval 9,000 to 5,000 years B.P.. This event has also been known by many other names, including: Hypsithermal, Altithermal, Climatic Optimum, Holocene Optimum, Holocene Thermal Maximum, and Holocene Megathermal.This warm period...

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Heiligendamm Process
Heiligendamm Process
The Heiligendamm process is an initiative that will institutionalize high-level dialogue between the G8 and the five most important emerging economies, known as the O5 : China, Mexico, India, Brazil and South Africa...

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Hell and High Water (book)
Hell and High Water (book)
Hell and High Water: Global Warming — the Solution and the Politics — and What We Should Do is a book by author, scientist, and former U.S. Department of Energy official Joseph J. Romm, published December 26, 2006...

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Hockey stick controversy
Hockey stick controversy
The hockey stick controversy refers to debates over the technical correctness and implications for global warming of graphs showing reconstructed estimates of the temperature record of the past 1000 years...

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Holocene
Holocene
The Holocene is a geological epoch which began at the end of the Pleistocene and continues to the present. The Holocene is part of the Quaternary period. Its name comes from the Greek words and , meaning "entirely recent"...

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Holocene Climatic Optimum
Holocene climatic optimum
The Holocene Climate Optimum was a warm period during roughly the interval 9,000 to 5,000 years B.P.. This event has also been known by many other names, including: Hypsithermal, Altithermal, Climatic Optimum, Holocene Optimum, Holocene Thermal Maximum, and Holocene Megathermal.This warm period...

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Human impact of climate change -
Hydrological geoengineering -
Hypermobile travellers
Hypermobility (travel)
The term hypermobility in regard to travelers arose around 1980 and is a concept that has increased in useage since the early 1990s: Damette ; Hepworth and Ducatel ; Whitelegg ; Lowe ; van der Stoep ; Shields ; Cox ; Adams ; Khisty and Zeitler ; Gössling et al. ; and Mander & Randles...


I

Ice age
Ice age
An ice age or, more precisely, glacial age, is a generic geological period of long-term reduction in the temperature of the Earth's surface and atmosphere, resulting in the presence or expansion of continental ice sheets, polar ice sheets and alpine glaciers...

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Ice core
Ice core
An ice core is a core sample that is typically removed from an ice sheet, most commonly from the polar ice caps of Antarctica, Greenland or from high mountain glaciers elsewhere. As the ice forms from the incremental build up of annual layers of snow, lower layers are older than upper, and an ice...

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Ice sheet dynamics
Ice sheet dynamics
Ice sheet dynamics describe the motion within large bodies of ice, such those currently on Greenland and Antarctica. Ice motion is dominated by the movement of glaciers, whose gravity-driven activity is controlled by two main variable factors: the temperature and strength of their bases...

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Individual and political action on climate change
Individual and political action on climate change
Individual and political action on climate change can take many forms, most of which have the ultimate goal of limiting and/or reducing the concentration of greenhouse gases in the atmosphere, toward avoiding dangerous climate change.-Political action:...

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Insolation
Insolation
Insolation is a measure of solar radiation energy received on a given surface area in a given time. It is commonly expressed as average irradiance in watts per square meter or kilowatt-hours per square meter per day...

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Instrumental temperature record
Instrumental temperature record
The instrumental temperature record shows fluctuations of the temperature of the global land surface and oceans. This data is collected from several thousand meteorological stations, Antarctic research stations and satellite observations of sea-surface temperature. Currently, the longest-running...

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Interdecadal Pacific Oscillation -
Intergovernmental Panel on Climate Change
Intergovernmental Panel on Climate Change
The Intergovernmental Panel on Climate Change is a scientific intergovernmental body which provides comprehensive assessments of current scientific, technical and socio-economic information worldwide about the risk of climate change caused by human activity, its potential environmental and...

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International Conference on Climate Change
International Conference on Climate Change
The International Conference on Climate Change is a conference series sponsored by the Heartland Institute which aims to bring together global warming skeptics who dissent with the scientific consensus that human-produced greenhouse gases, predominantly carbon dioxide, are causing the Earth's...

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IPCC list of greenhouse gases
IPCC list of greenhouse gases
This is a list of LLGHG greenhouse gases as used by the IPCC TAR.-Gases relevant to radiative forcing only :The following table has its sources in Chapter 2, pg 141, Table 2.1...


L

List of climate scientists -
List of geoengineering topics -
List of proposed geoengineering projects -
List of scientists opposing the mainstream scientific assessment of global warming -
Little Ice Age
Little Ice Age
The Little Ice Age was a period of cooling that occurred after the Medieval Warm Period . While not a true ice age, the term was introduced into the scientific literature by François E. Matthes in 1939...

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Long-term effects of global warming
Long-term effects of global warming
There are expected to be various long-term effects of global warming. Most discussion and research, including that by the Intergovernmental Panel on Climate Change reports, concentrates on the effects of global warming up to 2100, with only an outline of the effects beyond this...

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Low-carbon emission
Low-carbon emission
The main components of automobile exhaust are carbon dioxide and water vapor . Carbon dioxide is the most important anthropogenic greenhouse gas and the most significant Greenhouse Gas emitted in the U.S....

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M

Magnetosphere
Magnetosphere
A magnetosphere is formed when a stream of charged particles, such as the solar wind, interacts with and is deflected by the intrinsic magnetic field of a planet or similar body. Earth is surrounded by a magnetosphere, as are the other planets with intrinsic magnetic fields: Mercury, Jupiter,...

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Maunder Minimum
Maunder Minimum
The Maunder Minimum is the name used for the period roughly spanning 1645 to 1715 when sunspots became exceedingly rare, as noted by solar observers of the time....

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Mauna Loa
Mauna Loa
Mauna Loa is one of five volcanoes that form the Island of Hawaii in the U.S. state of Hawaii in the Pacific Ocean, and the largest on Earth in terms of volume and area covered. It is an active shield volcano, with a volume estimated at approximately , although its peak is about lower than that...

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Medieval Warm Period
Medieval Warm Period
The Medieval Warm Period , Medieval Climate Optimum, or Medieval Climatic Anomaly was a time of warm climate in the North Atlantic region, that may also have been related to other climate events around the world during that time, including in China, New Zealand, and other countries lasting from...

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Meridional overturning circulation -
Meteorology
Meteorology
Meteorology is the interdisciplinary scientific study of the atmosphere. Studies in the field stretch back millennia, though significant progress in meteorology did not occur until the 18th century. The 19th century saw breakthroughs occur after observing networks developed across several countries...

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Methane
Methane
Methane is a chemical compound with the chemical formula . It is the simplest alkane, the principal component of natural gas, and probably the most abundant organic compound on earth. The relative abundance of methane makes it an attractive fuel...

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Milankovitch cycles
Milankovitch cycles
Milankovitch theory describes the collective effects of changes in the Earth's movements upon its climate, named after Serbian civil engineer and mathematician Milutin Milanković, who worked on it during First World War internment...


N

Nitrous oxide
Nitrous oxide
Nitrous oxide, commonly known as laughing gas or sweet air, is a chemical compound with the formula . It is an oxide of nitrogen. At room temperature, it is a colorless non-flammable gas, with a slightly sweet odor and taste. It is used in surgery and dentistry for its anesthetic and analgesic...

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North Atlantic Deep Water
North Atlantic Deep Water
North Atlantic Deep Water is a water mass that forms in the North Atlantic Ocean. It is largely formed in the Labrador Sea and in the Greenland Sea by the sinking of highly saline, dense overflow water from the Greenland Sea...

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North Atlantic oscillation
North Atlantic oscillation
The North Atlantic oscillation is a climatic phenomenon in the North Atlantic Ocean of fluctuations in the difference of atmospheric pressure at sea level between the Icelandic low and the Azores high. Through east-west oscillation motions of the Icelandic low and the Azores high, it controls the...

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Northwest Passage
Northwest Passage
The Northwest Passage is a sea route through the Arctic Ocean, along the northern coast of North America via waterways amidst the Canadian Arctic Archipelago, connecting the Atlantic and Pacific Oceans...


O

Ocean acidification
Ocean acidification
Ocean acidification is the name given to the ongoing decrease in the pH and increase in acidity of the Earth's oceans, caused by the uptake of anthropogenic carbon dioxide from the atmosphere....

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Ocean anoxia -
Older Dryas
Older Dryas
The Older Dryas was a stadial period between the Bølling and Allerød oscillations during the Pleistocene glacial period of ~11,700—12,000 uncalibrated years ago...

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Oldest Dryas
Oldest Dryas
The Oldest Dryas was a climatic period, which occurred during the coldest stadial after the Weichselian glaciation in north Europe. In the Alps, the Oldest Dryas corresponds to the Gschnitz stadial of the Würm glaciation. The three “Dryas” periods are named for a marker species, Dryas octopetala,...

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Overpopulation
Overpopulation
Overpopulation is a condition where an organism's numbers exceed the carrying capacity of its habitat. The term often refers to the relationship between the human population and its environment, the Earth...

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Ozone depletion
Ozone depletion
Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth's stratosphere , and a much larger springtime decrease in stratospheric ozone over Earth's polar regions. The latter phenomenon...


P

Pacific decadal oscillation
Pacific decadal oscillation
The Pacific Decadal Oscillation is a pattern of Pacific climate variability that shifts phases on at least inter-decadal time scale, usually about 20 to 30 years. The PDO is detected as warm or cool surface waters in the Pacific Ocean, north of 20° N...

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Paleocene–Eocene Thermal Maximum -
Paleoclimate Modelling Intercomparison Project
Paleoclimate Modelling Intercomparison Project
The Paleoclimate Modelling Intercomparison Project is a project, somewhat along the lines of AMIP or CMIP, to coordinate and encourage the systematic study of atmospheric general circulation models and to assess their ability to simulate large climate changes such as those that occurred in the...

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Paleothermometer
Paleothermometer
A paleothermometer is a methodology for determining past temperatures using a proxy found in a natural record such as a sediment, ice core, tree rings or TEX86.=...

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Parameterization -
Planetary engineering
Planetary engineering
Planetary engineering is the application of technology for the purpose of influencing the global properties of a planet. The goal of this theoretical task is usually to make other worlds habitable for life....

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Peak oil
Peak oil
Peak oil is the point in time when the maximum rate of global petroleum extraction is reached, after which the rate of production enters terminal decline. This concept is based on the observed production rates of individual oil wells, projected reserves and the combined production rate of a field...

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Phenology
Phenology
Phenology is the study of periodic plant and animal life cycle events and how these are influenced by seasonal and interannual variations in climate...

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Polar amplification
Polar amplification
Polar amplification is the observation that "Climate models generally predict amplified warming in polar regions" due to climate feedbacks.Although the most simple climate models predict warming at both poles, the Antarctic has not warmed as much as the Arctic, and many modern climate models...

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Proxy
Proxy (climate)
In the study of past climates is known as paleoclimatology, climate proxies are preserved physical characteristics of the past that stand in for direct measurements , to enable scientists to reconstruct the climatic conditions that prevailed during much of the Earth's history...


R

Radiative forcing
Radiative forcing
In climate science, radiative forcing is generally defined as the change in net irradiance between different layers of the atmosphere. Typically, radiative forcing is quantified at the tropopause in units of watts per square meter. A positive forcing tends to warm the system, while a negative...

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Regional effects of global warming
Regional effects of global warming
Regional effects of global warming are long-term significant changes in the expected patterns of average weather of a specific region due to global warming. The world average temperature is rising due to the greenhouse effect caused by increasing levels of greenhouse gases, especially carbon dioxide...

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Renewable energy
Renewable energy
Renewable energy is energy which comes from natural resources such as sunlight, wind, rain, tides, and geothermal heat, which are renewable . About 16% of global final energy consumption comes from renewables, with 10% coming from traditional biomass, which is mainly used for heating, and 3.4% from...

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Renewable energy commercialization
Renewable energy commercialization
Renewable energy commercialization involves the deployment of three generations of renewable energy technologies dating back more than 100 years. First-generation technologies, which are already mature and economically competitive, include biomass, hydroelectricity, geothermal power and heat...

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Retreat of glaciers since 1850
Retreat of glaciers since 1850
The retreat of glaciers since 1850 affects the availability of fresh water for irrigation and domestic use, mountain recreation, animals and plants that depend on glacier-melt, and in the longer term, the level of the oceans...

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Runaway climate change
Runaway climate change
Runaway climate change describes a theoretical scenario in which the climate system passes a threshold or tipping point, after which internal positive feedback effects cause the climate to continue changing without further external forcings...


S

Sahara pump theory
Sahara pump theory
The Sahara pump theory is a hypothesis that explains how flora and fauna migrated between Eurasia and Africa via a Levantine land bridge. The theory observes that extended periods of abundant rainfall lasting many thousands of years in Africa are associated with a "wet Sahara" phase, during which...

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Satellite temperature measurements
Satellite temperature measurements
The temperature of the atmosphere at various altitudes as well as sea and land surface temperatures can be inferred from satellite measurements. Weather satellites do not measure temperature directly but measure radiances in various wavelength bands...

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Scientific opinion on climate change
Scientific opinion on climate change
The predominant scientific opinion on climate change is that the Earth is in an ongoing phase of global warming primarily caused by an enhanced greenhouse effect due to the anthropogenic release of carbon dioxide and other greenhouse gases...

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Scientific skepticism
Scientific skepticism
Scientific skepticism is the practice of questioning the veracity of claims lacking empirical evidence or reproducibility, as part of a methodological norm pursuing "the extension of certified knowledge". For example, Robert K...

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Sea level rise -
Slash and burn
Slash and burn
Slash-and-burn is an agricultural technique which involves cutting and burning of forests or woodlands to create fields. It is subsistence agriculture that typically uses little technology or other tools. It is typically part of shifting cultivation agriculture, and of transhumance livestock...

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Snowball Earth
Snowball Earth
The Snowball Earth hypothesis posits that the Earth's surface became entirely or nearly entirely frozen at least once, some time earlier than 650 Ma . Proponents of the hypothesis argue that it best explains sedimentary deposits generally regarded as of glacial origin at tropical...

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Solar Radiation Management
Solar radiation management
Solar radiation management projects are a type of geoengineering which seek to reflect sunlight and thus reduce global warming. Examples include the creation of stratospheric sulfur aerosols. They do not reduce greenhouse gas concentrations in the atmosphere, and thus do not address problems...

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Solar shade -
Solar variation
Solar variation
Solar variation is the change in the amount of radiation emitted by the Sun and in its spectral distribution over years to millennia. These variations have periodic components, the main one being the approximately 11-year solar cycle . The changes also have aperiodic fluctuations...

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Space sunshade -
Stratospheric sulfur aerosols
Stratospheric sulfur aerosols
Stratospheric sulfur aerosols are sulfur-rich particles which exist in the stratosphere region of the Earth's atmosphere. The layer of the atmosphere in which they exist is known as the Junge layer, or simply the stratospheric aerosol layer. These particles consist of a mixture of sulfuric acid...

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Stratospheric sulfur aerosols (geoengineering)
Stratospheric sulfur aerosols (geoengineering)
The ability of stratospheric sulfate aerosols to create a global dimming effect has made them a possible candidate for use in geoengineering projects to limit the effect and impact of climate change due to rising levels of greenhouse gases...

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Sunspot
Sunspot
Sunspots are temporary phenomena on the photosphere of the Sun that appear visibly as dark spots compared to surrounding regions. They are caused by intense magnetic activity, which inhibits convection by an effect comparable to the eddy current brake, forming areas of reduced surface temperature....


T

Table of Historic and Prehistoric Climate Indicators
Table of Historic and Prehistoric Climate Indicators
This table is a reference tool for rapidly locating Wikipedia articles on Historic and Prehistoric climate indicators of all types.To Add:* Alkenone analysis* TEX-86 analysis* Nile river flood levels* Trace mineral ratios in deltaic sediment...

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Temperature record of the past 1000 years
Temperature record of the past 1000 years
The temperature record of the 2nd millennium describes the reconstruction of temperatures since 1000 CE on the Northern Hemisphere, later extended back to 1 CE and also to cover the southern hemisphere. A reconstruction is needed because a reliable surface temperature record exists only since about...

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Temperature record since 1880 -
Thermohaline circulation
Thermohaline circulation
The term thermohaline circulation refers to a part of the large-scale ocean circulation that is driven by global density gradients created by surface heat and freshwater fluxes....

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Timeline of glaciation
Timeline of glaciation
There have been five known ice ages in the Earth's history, with the Earth experiencing the Quaternary Ice Age during the present time. Within ice ages, there exist periods of more severe glacial conditions and more temperate referred to as glacial periods and interglacial periods, respectively...

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TEX-86
TEX-86
TEX86 is a paleothermometer based on the composition of membrane lipids of the marine picoplankton Crenarchaeota.Wuchter et al. found that the number of cyclopentane rings in Crenarchaeota membrane lipids changes linearly with temperature in order to regulate membrane fluidity...

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Thermocline
Thermocline
A thermocline is a thin but distinct layer in a large body of fluid , in which temperature changes more rapidly with depth than it does in the layers above or below...

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The Deniers -
The Great Global Warming Swindle
The Great Global Warming Swindle
The Great Global Warming Swindle is a polemical documentary film that suggests that the scientific opinion on climate change is influenced by funding and political factors, and questions whether scientific consensus on anthropogenic global warming exists....

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The Republican War on Science
The Republican War on Science
The Republican War on Science is a book by Chris C. Mooney, an American journalist who focuses on the politics of science policy. In the book, Mooney discusses the Republican Party leadership's stance on science, and in particular that of the George W...

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Timeline of environmental history -
Tipping point (climatology)
Tipping point (climatology)
A climate tipping point is a point when global climate changes from one stable state to another stable state, in a similar manner to a wine glass tipping over. After the tipping point has been passed, a transition to a new state occurs...


W

Waste heat
Waste heat
Waste heat sometimes called Secondary heat or Low-grade heat refers to heat produced by machines, electrical equipment and industrial processes for which no useful application is found. Energy is often produced by a heat engine, running on a source of high-temperature heat...

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Water World
Ocean planet
An ocean planet is a hypothetical type of planet whose surface is completely covered with an ocean of water.Planetary objects that form in the outer solar system begin as a comet-like mixture of roughly half water and half rock by mass...

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West Antarctic Ice Sheet
West Antarctic Ice Sheet
The West Antarctic Ice Sheet is the segment of the continental ice sheet that covers West Antarctica, the portion of Antarctica on the side of the Transantarctic Mountains which lies in the Western Hemisphere. The WAIS is classified as a marine-based ice sheet, meaning that its bed lies well...

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World climate research programme
World Climate Research Programme
The World Climate Research Programme was established in 1980, under the joint sponsorship of International Council for Science and the World Meteorological Organization, and has also been sponsored by the Intergovernmental Oceanographic Commission of UNESCO since 1993. It is a component of the...

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World Climate Report
World Climate Report
World Climate Report, a newsletter edited by Patrick Michaels, was produced by the Greening Earth Society, a non-profit organization created by the Western Fuels Association....


See also


:Category:Climate change, :Category:Global warming, :Category:Climate change by country, :Category:Climatology

External links

The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
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