Club for Growth Criticizes McCain's Cap-and-Trade Emissions Proposal

John McCainJohn McCainMcCain names Britney Spears as a favorite Trump haunts McCain's reelection fight Primary opponent: McCain has 'issues about race' MORE's stance on climate change has proven to be controversial with at least one group of economic conservatives, as the Club for Growth today criticized the Arizona Republican's support for a cap-and-trade system.

The concept would set mandatory limits on greenhouse emissions, and allow companies that pollute less to sell their permits to those that pollute more.

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