LA Times: The issue that has prevented a major advance in the battle against global warming for two decades has scuttled progress at the latest U.N. gathering aimed at forging a climate pact by 2015: how much rich nations should pay to help developing countries build their economies with clean-energy sources.
The United States and the European Union wanted a firm deadline set at the conference in Warsaw for each of the 195 countries party to the talks to make commitments on emissions reductions that will...