World Resources Institute: Delegates at April's U.N. climate talks in Bonn, Germany, made some encouraging progress. As negotiators gather again this week, it's important that they build on this progress and take action on two key topics: raising ambition, and establishing core elements of the 2015 international climate action agreement.
Indeed, there's an even greater sense of urgency since delegates met for the April intersessional. The world crossed a perilous and alarming threshold, with atmospheric carbon dioxide levels...