greenhouse gas
US /ˈɡriːn.haʊs ˌɡæs/
UK /ˈɡriːn.haʊs ˌɡæs/

1.
温室効果ガス
a gas in the atmosphere that absorbs and emits radiation, trapping heat and contributing to the greenhouse effect
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Carbon dioxide is a major greenhouse gas.
二酸化炭素は主要な温室効果ガスです。
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Reducing greenhouse gas emissions is crucial for combating climate change.
温室効果ガス排出量の削減は、気候変動対策に不可欠です。
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