UNclimatetalksinBonnhaveconcludedwithprogressontechnicalissues,butwithbiggerquestionsaboutcuttingcarbonunresolved.Delegatessaytheyarepleasedthattherulebookforth
AddressingthechallengeofclimatechangewillbeoneofthecentraltasksoftheupcomingG20summitoftheworld'slargesteconomiesinHamburg,GermanChancellorAngelaMerkeltoldlawma
The first summit between U.S. President Barack Obama and his Chinese counterpart Xi Jinping was "positive and constructive," and has achieved all the goals, a senior White House official said Saturday.
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