goldman sachs group inc chief executive officer lloyd blankfein criticize unite state decision withdraw paris climate deal first message twitter inc since join platform six years ago today decision setback environment u.s. leadership position world blankfein say add hashtag parisagreement goldman spokesman michael duvally confirm account blankfein blankfein former gary cohn chief economic adviser president donald trump part stay-in camp include trump daughter ivanka gary cohn energy secretary rick perry top executives also criticize decision quit accord include tesla inc ceo elon musk general electric co ceo jeff immelt goldman 's blankfein criticize u.s decision leave paris climate deal