The international climate change negotiations entering their second and final week encompass a vast and complicated array of political, economic and legal questions. But at bottom, the talks boil down to two issues: trust and money. In this global forum, no one questions the established science that greenhouse gases from burning fossil fuels are warming the planet — or that both developed and developing economies must all eventually lower their greenhouse emissions to stave off a future that could wreak havoc on the world’s safety and economic stability. In a major breakthrough, 184 governments have already submitted plans detailing how they will cut their domestic emissions after 2020. Those pledges are expected to make up the core of a new accord, which could be signed […]