Mashable: The Paris Climate Agreement is barely one week old, but it has already been hailed as one of the most groundbreaking examples of international cooperation in the face of a major threat, period.
However, the agreement, which is firmly rooted in peer pressure and the bet that nations will grow more ambitious over time regarding their emissions cuts, faces a major risk next year: Depending on who wins the 2016 presidential election, the U.S. could go from the biggest booster of global climate action...