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Chemistry · Glossary

What is Greenhouse gases?

Also known as: greenhouse gas · global warming potential

Definition 32.1 University Chemistry — Year 3 · Chapter 32 — Environmental Chemistry and Toxicology

A greenhouse gas absorbs and emits infrared radiation at the wavelengths of the radiation emitted by the Earth’s surface, and so warms the lower atmosphere. The global warming potential (GWP) of a gas over a time horizon, usually 100 years, is the energy it traps after the emission of one kilogram, relative to one kilogram of carbon dioxide.

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