any gas that contributes to the greenhouse effect; gaseous constituents of the atmosphere, both natural and from human activity, that absorb and re-emit infrared radiation. Water vapor (H2O) is the most abundant greenhouse gas. Greenhouse gases are a natural part of the atmosphere and include carbon dioxide (CO2), methane (CH4, persisting 9-15 yrs ...
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http://en.wikipedia.org/wiki/Glossary_of_environmental_science
Gases that alter thermal properties of atmosphere (for example, water vapour, carbon dioxide, methane, nitrous oxide, CFCs, halons and ozone).
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http://www.chemicalglossary.net/definition/826-Greenhouse_Gases
Greenhouse gases are water vapor, carbon dioxide, tropospheric ozone, nitrous oxide, methane, and chlorofluorocarbons (CFCs).
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http://www.cleanenergyresourceteams.org/glossary
Gases, such as carbon dioxide, methane, and water vapor, which can play a significant part in elevating the temperature of a planet or moon through the greenhouse effect.
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http://www.daviddarling.info/encyclopedia/G/greenhouse_gas.html
Gases produced by vehicles that use hydrocarbons as fuel (such as carbon dioxide, carbon monoxide, methane, nitrous oxide and hydroflourocarbons) that contribute to reducing the loss of atmospheric heat into space.
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http://www.edmunds.com/glossary/
Any gas that absorbs infrared radiation in the atmosphere. Greenhouse gases include water vapour, carbon dioxide (CO2), methane (CH4),
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http://www.encyclo.co.uk/local/20453
Gases, including carbon dioxide (CO2) and methane, that are increasing in the Earth`s atmosphere as a result of human activities and causing climate change.
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http://www.encyclo.co.uk/local/20468
Radiative gases in the earth's atmosphere which absorb long-wave heat radiation from the earth's surface and re-radiate it, thereby warming the earth. Carbon dioxide and water vapour are the main ones
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http://www.encyclo.co.uk/local/20725
Gases which contribute to global warming.
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http://www.encyclo.co.uk/local/20848
Gases that trap the heat of the sun in the Earth's atmosphere, producing the greenhouse effect. The two major greenhouse gases are water vapour and carbon dioxide. Other greenhouse gases include methane, ozone, chlorofluorocarbons, and nitrous oxide. ... (05 Dec 1998) ...
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http://www.encyclo.co.uk/local/20973
are those gaseous constituents of the atmosphere, both natural and anthropogenic, that absorb and emit radiation at specific wavelengths within the spectrum of infrared radiation emitted by the Earth`s surface, the atmosphere and clouds. Human-made greenhouse gases in the atmosphere such as halocarbons and other chlorine- and bromine containi...
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http://www.encyclo.co.uk/local/21348
A basket of 6 gases, Carbondioxide (CO2), Methane (CH4), Dinitrogenoxide (N2O), HFCs, PFCs and Sulfurhexafluoride (SF6) which have a Global Warming Potential (GWP) and therefore have an impact on Climate Change
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http://www.encyclo.co.uk/visitor-contributions.php
Radiative gases in the earth's atmosphere which absorb long-wave heat radiation from the earth's surface and re-radiate it, thereby warming the earth. Carbon dioxide and water vapour are the main ones.
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http://www.encyclo.co.uk/visitor-contributions.php
(Living things in their environment) the gases responsible for the global warming - carbon dioxide, methane, nitrous oxide and CFCs
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http://www.encyclo.co.uk/visitor-contributions.php
Gases that absorb the sun's infrared radiation and trap its heat in the earth's atmosphere. Common greenhouse gases include carbon dioxide and methane.
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http://www.nolo.com/dictionary/greenhouse-gases-term.html
any of the atmospheric gases that contribute to the greenhouse effect. Includes carbon dioxide, methane and nitrous oxide
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http://www.pbs.org/kqed/oceanadventures/glossary/
Gases responsible for the greenhouse effect. These gases include: water vapor (H
2O), carbon dioxide (CO
2); methane (CH
4); nitrous oxide (N
2O); chlorofluorocarbons (CFxClx); and tropospheric ozone (O
3).
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http://www.physicalgeography.net/physgeoglos/g.html
any gas that contributes to the greenhouse effect; gaseous constituents of the atmosphere, both natural and from human activity, that absorb and re-emit infrared radiation. Water vapor (H2O) is the most abundant greenhouse gas. Greenhouse gases are a natural part of the atmosphere and include carbon dioxide (CO2), methane (CH4, persisting 9-15 yrs ...
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http://www.translationdirectory.com/glossaries/glossary306.php
gases in the atmosphere that trap heat
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https://sciencetrek.org/sciencetrek/topics/nuclear_energy/glossary.cfm
Molecules in the Earth`s atmosphere such a carbon dioxide (CO2), methane (CH4) and CFCs which warm the atmosphere because they absorb some of the thermal radiation emitted from the earth's surface.
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https://www.encyclo.co.uk/local/20855
gases in the atmosphere that absorb and emit radiation. Environmentalists believe that fossil fuels have increased the levels of carbon dioxide. There is much controversy if this is a natural occurrence in nature or man-made.
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https://www.encyclo.co.uk/local/21664
Gases that trap the heat of the sun in the Earth's atmosphere. They can be naturally occurring, or the result of human activities. The most common greenhouse gases are carbon dioxide and methane.
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https://www.encyclo.co.uk/local/22829
Gases that absorb heat in the atmosphere near the Earth's surface, preventing it from escaping into space. If the atmospheric concentrations of these gases rise, the average temperature of the lower atmosphere will gradually increase, a phenomenon known as the greenhouse effect. Greenhouse gases include, for example, carbon dioxide, water vapor, an...
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https://www.globalchange.gov/climate-change/glossary
gases in the atmosphere, which absorb thermal infra-red radiation emitted by the Earth's surface, the atmosphere and clouds e.g. water vapour, carbon dioxide, methane and nitrous oxide.
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https://www.metoffice.gov.uk/weather/climate-change/climate-glossary
Radiative gases in the Earth's atmosphere which absorb long-wave heat radiation from the Earth's surface and re-radiate it, thereby warming the Earth. Carbon dioxide, methane and water vapour are the main ones.
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https://www.world-nuclear.org/nuclear-basics/glossary.aspx
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