Chinaannouncedmeetingcarbonintensitytargetthreeyearsaheadofschedule.Theworld'slargestemitterofcarbondioxidehadpledgedtocurtailemissions,duringCopenhagenclimates
WiththeeyesofenvironmentalistsworldwideonthecarbontradingschemethatChinaisexpectedtolaunchsoon,anewsurveyhasshowncautiousoptimismaboutitsprospectsforloweringemi