carbon credit

Từ điển Oxford Advanced Learner 8th

ˈcarbon credit 8 [carbon credit] BrE NAmE noun
1. a key element in the system of national and international ↑carbon trading. A country or organization has the right to produce a particular amount of ↑carbon dioxide and other gases that cause ↑global warming, which is expressed in terms of carbon credits, which may be traded between countries or organizations
•The sale of carbon credits can finance renewable energy projects.
2. a ↑carbon offset, which a person or company may choose to buy as a way of reducing the level of ↑carbon dioxide for which they are responsible
•Wind energy companies sell carbon credits to consumers.