carbon trading

Từ điển Oxford Advanced Learner 8th

ˈcarbon trading 8 [carbon trading] BrE NAmE (also eˈmissions trading BrE NAmE ) noun uncountable
a system that gives countries and organizations the right to produce a particular amount of ↑carbon dioxide and other gases that cause ↑global warming, and allows them to sell this right
•a global carbon trading system
•Carbon trading has not been very effective so far in addressing global warming.
See also: ↑emissions trading