June was a big month for climate diplomacy with announcements from China, Brazil, the US and the Vatican, among others. In his latest commentary, David Sandalow, Inaugural Fellow at the Center on Global Energy Policy, argues that the 21st annual Conference of Parties to the U.N. Framework Convention on Climate Change, set to open in Paris in late November, is already in part a success. You can download and read the full commentary here (pdf).