<正>Chinapromisedtoadopt"thestrictest"environmentandenergypoliciesonDecember25asithaslaggedbehindintermsoffourbindingenvironmentaltar-getssetfor2015,XinhuaNewsAgencyreported.Thefourtargetsareforenergyintensity,carbondioxideemissions,rationalizationofenergyconsumptionandnitrogenoxideemissions,according