These are tough days for international efforts to put a meaningful price on carbon pollution. It's a tough sell, and many clean-energy advocates say a global deal once dreamed about at Copenhagen will never happen. We have to think about “what have we learned and what is different” since Copenhagen says Christiana Figueres, Executive Secretary of the United Nations Framework Convention on Climate Change. “I have news for everybody,” she says, “no, there is never going to be one agreement that solves climate [change].” In conversation with Greg Dalton, Figueres discusses the challenges facing negotiation including differences between developing and developed countries and the need for a strong foundation of national regulation before international agreements can be reached. But there is hope, she says, “we are moving toward a tipping point, a technological and economical tipping point...that will allow us to move into a completely different future.” A conversation on the challenges, successes, and goals of international climate change negotiations. This program was recorded in front of a live audience at The Commonwealth Club of California on April 17, 2013

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