President Obama is vowing to make the case for action on global warming during the 2012 campaign.

“I suspect that over the next six months, this is going to be a debate that will become part of the campaign, and I will be very clear in voicing my belief that we’re going to have to take further steps to deal with climate change in a serious way,” Obama told Rolling Stone magazine in a newly published interview.

Obama’s comments follow a first term that saw global warming legislation collapse in Congress but several administrative steps to address climate proceed, such as tougher auto mileage rules and first-time greenhouse gas standards for new power plants.

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