Warsaw conference moves towards 'new global climate regime'

Aired: 11/27/2013 | 0:11:34 | Clip
World leaders convened for the Warsaw Climate Change Conference this month, working towards an expanded commitment to cut greenhouse gas emissions. Judy Woodruff talks to ActionAid USA's Brandon Wu and Harvard University's Robert Stavins about the political challenges ahead in order to curb climate change on a global scale.

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