There were high expectations for the UN climate negotiations. A coalition emerged to push for a strong deal. The so called “high ambition coalition” included more than 100 countries, including the US. But going into the final hours there were still big differences on how to pay to mitigate climate change and even what the overall goal should be. The high ambition countries wanted to see the overall goal change from global rise of 2 degrees to a more aggressive 1.5 degree rise. We sort out the conclusion of the COP21, the UN climate summit in Paris, with Howard Lerner, executive director of the Environmental Law Policy Center.
(Photo: Associated Press/Francois Mori)