Carbon-motivatedbordertaxadjustment(BTA)aimstocompensateforthelossofcompetitivenessofcarbonintensiveproductsduetocarbondioxideabatementactions.Basedontheanalysisoftheinternationalbackgroundofcarbon-motivatedBTAs,thispaperdiscussesthefundamentalmotivationleadingtoUSpolicytransformation,thepotentialimpactsofthepolicyonChina'smanufacturingindustries,andthecompatibilityofthepolicytoWTOrules.Carbon-motivatedBTAsviolatethefundamentalprincipleoftheUNFCCC,andpotentiallyconflictwiththecoreWTOprincipleofnon-discriminationreflectedintheGATTArticlesIandIII.However,ArticleXXoftheGATTmaybeapplicable.Thus,theauthorsuggestsseveralmeasurestoalleviatetheimpactsofcarbon-motivatedBTAs,andputsforwardcountermeasuresbasedoncarbonconsumptionpercapita.