New U.N. climate deal struck, critics say gains modest

DURBAN (Reuters) - Climate negotiators agreed a pact on Sunday that would for the first time force all the biggest polluters to take action on greenhouse gas emissions, but critics said the action plan was not aggressive enough to slow the pace of global warming. The package of accords extended the Kyoto Protocol, the only global pact that enforces carbon cuts, agreed the format of a fund to help poor countries tackle climate change and mapped out a path to a legally binding agreement on emissions reductions. ...