American English

Definition of carbon trading noun from the Oxford Advanced American Dictionary

 

carbon trading

 noun
noun
 
(also emissions trading
 
)
[uncountable]
 
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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 the Oxford Advanced Learner's Dictionary entry: carbon trading