温おん暖だん化かガス

noun

greenhouse gas; heat-trapping gas

Refers to gases that contribute to the greenhouse effect, such as CO₂ and methane. Common in environmental and policy contexts.

• 温おん暖だん化かガスの排はい出しゅつを減へらす必ひつ要ようがある。

  We need to reduce greenhouse gas emissions.

• 二に酸さん化か炭たん素そは代だい表ひょう的てきな温おん暖だん化かガスだ。

  Carbon dioxide is a typical greenhouse gas.