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greenhouse gas – n. carbon dioxide and other gases that scientists have linked to rising temperatures in Earth’s atmosphere
emission – n. the act of producing or sending out something (such as energy or gas) from a source
precision – n. the quality of being precise : exactness or accuracy
draft – n. a version of something (such as a document) that you make before you make the final version
drastic - adj. extreme in effect or action: severe or serious
decade – n. ten years
