Climate Summit Boosted By Optimism at the Start

As the UN climate talks opened in Paris, negotiators were optimistic about reaching an agreement by the end of the December 11th deadline, but questions remain about how strong and ambitious the proposed limits and measures will be. The Prince of Wales, President Obama, and President Christopher Loeak of the Marshall Islands were among the many dignitaries who stressed the urgency of acting swiftly to limit greenhouse gas emissions and adapt to climate change. Host Steve Curwood reports. (published December 4, 2015)