carbon tradingBrE/ˈkɑːbən treɪdɪŋ/NAmE/ˈkɑːrbən treɪdɪŋ/ (also eˈmissions tradingBrE/iˈmɪʃnz treɪdɪŋ/NAmE/iˈmɪʃnz treɪdɪŋ/) noun[U]asystemthatgivescountriesandorganizationstherighttoproduceaparticularamountofcarbon dioxide and other gases that cause global warming, andallowsthemtosellthisright碳排放权交易;碳交易