Greenhouse gas

GHG：GreenHouse Gas
Greenhouse gases are gases that exist in the earth's atmosphere and can raise the temperature of the atmosphere and sea water by absorbing some of the infrared radiation emitted from the earth's surface.
Other than carbon dioxide (CO2), there are various types of greenhouse gases. The Kyoto Protocol listed the following six greenhouse gases to be reduced: carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O), hydrofluorocarbons (HFCs), perfluorocarbons (PFCs), and sulfur hexafluoride (SF6). And nitrogen trifluoride (NF3) was newly added to the list for the second compliance period of the Protocol starting from 2013.

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