1.
fossil fuel
Natural fuels such as coal, oil, and natural gas, formed from the remains of ancient organisms. A key term in environmental and energy discussions.
化石燃料の使用を減らすべきだ。
We should reduce the use of fossil fuels.
化石燃料に頼らないエネルギーが必要だ。
We need energy that doesn't rely on fossil fuels.
化石燃料を燃やすと二酸化炭素が排出され、地球温暖化の原因になる。
Burning fossil fuels produces carbon dioxide, which causes global warming.
A compound of 化石 (fossil) and 燃料 (fuel). Includes 石炭 (coal), 石油 (petroleum/oil), and 天然ガス (natural gas). Frequently used in discussions about 環境問題 (environmental issues) and 再生可能エネルギー (renewable energy). Common collocations include 化石燃料からの脱却 (breaking away from fossil fuels) and 化石燃料への依存 (dependence on fossil fuels).