A U.S. Cap-and-Trade Experiment To End

But California election results signal regional interest in global warming fight

Some time before the campaign ad showing a U.S. Senate candidate shooting proposed climate legislation with a rifle, the companies participating in a key experiment to test cap and trade in the United States decided that the idea was already dead.

The Chicago Climate Exchange (CCX), the eight-year-old platform where power companies, manufacturers, and others agreed to reduce their greenhouse gas emissions and traded the credits they earned for their success, will shut down that program at the end of this year. That’s when the current commitments made by the CCX market participants were set to expire, but those involved in the program agree that their efforts would have continued if there were any prospect of congressional climate

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