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Bookmark or Share- Main Greenhouse Gases - Center for Climate and Energy SolutionsGreenhouse gases are molecules in our atmosphere that absorb heat radiating from Earth’s surface, preventing it from being emitted into space. The most common greenhouse gases are (in order of atmospheric concentration) water vapor (H2O), carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), and a suite of halogen-bearing gases (like ...
- Overview of Greenhouse Gases | US EPA - U.S. Environmental Protection ...Gases that trap heat in the atmosphere are called greenhouse gases. This section provides information on emissions and removals of the main greenhouse gases to and from the atmosphere.
- Greenhouse Gases | US EPA - U.S. Environmental Protection AgencyGreenhouse gases, such as carbon dioxide, methane, nitrous oxide, and certain synthetic chemicals, trap some of the Earth's outgoing energy, thus retaining heat in the atmosphere. This heat trapping causes changes in the radiative balance of the Earth—the balance between energy received from the sun and emitted from Earth—that alter climate ...
- Definition, Emissions, & Greenhouse Effect - BritannicaGreenhouse gas, any gas capable of absorbing infrared radiation (net heat energy) emitted from Earth’s surface and reradiating it back to Earth’s surface, thus contributing to the phenomenon known as the greenhouse effect. Carbon dioxide, methane, and water vapor are the most important greenhouse gases.
- What Are Greenhouse Gases and Why Do They MatterGreenhouse gases (GHGs) are a category of gases that absorb heat energy emitted from the planet's surface and they remain in Earth's atmosphere for a long time (from decades to centuries). Though they make up only a small portion of the atmosphere (less than 1% of all air molecules), GHGs absorb a significant amount of heat energy and re ...
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