ClimateWire's Chemnick talks Paris signing ceremony, country progress in meeting commitments

As world leaders come together next week in New York for the Paris Agreement signing ceremony, how are countries progressing in their efforts to meet their commitments? On today's The Cutting Edge, ClimateWire reporter Jean Chemnick discusses the significance of the ceremony in the broader context of the agreement and talks about the implementation strategies countries are considering as they work to meet their pledges.