carbon creditBrE/ˈkɑːbən kredɪt/NAmE/ˈkɑːrbən kredɪt/nounakeyelementinthesystemofnationalandinternationalcarbon trading. A country or an organization has the right to produce a particular amount of carbon dioxide and other gases that cause global warming, whichisexpressedintermsofcarboncredits, whichmaybetradedbetweencountriesororganizations碳信用（指有权拥有且可交易的温室气体排放量）◆Thesaleofcarboncreditscanfinancerenewableenergyprojects. 碳信用额的销售可为可再生能源项目提供资金。acarbon offset, which a person or company may choose to buy as a way of reducing the level of carbon dioxideforwhichtheyareresponsible碳补偿信用额（购入后用以抵消自身碳排放量）◆Windenergycompaniessellcarboncreditstoconsumers. 风能公司向消费者出售碳补偿信用额。