Environmentalists and other countries are apparently unhappy with the way the United States is bargaining at the world climate talks in Durban, South Africa.
U.S. negotiators have said they prefer that countries pledge voluntary cuts in greenhouse gas emissions, rather than a legally-binding deal. Now, green groups have written to Secretary of State Hillary Clinton, urging her and the U.S. negotiating team in Durban to show more flexibility in supporting mandatory, long-...



























































