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