come topic climate change world leaders g20 summit hamburg come conclusion since donald trump controversial decision pull u.s. paris climate accord get along fine g19.at summit conclusion leaders 19 countries take account trump move abandon global climate agreement sign detail blueprint new policy g20 climate energy action plan growth outline countries meet future goals carbon emissions pact without president unite state move end three days tough negotiations respond trump dubious june decision clear indication u.s. isolate climate change fall back major economies step compete clean energy marketplace create paris agreement estimate worth 20 trillion dollars say andrew light senior climate change adviser state department former president barack obama.initially g20 leaders great difficulty come agreement common text climate change america demand reference fossil fuel climate section eventually sign take note us withdraw paris agreement countries describe irreversible yet also optimistically hint country may one day buy back pact reference us approach fossil fuel state unite state america state endeavor work closely countries help access use fossil fuel cleanly efficiently french president emmanuel macron say would continue put pressure president trump issue climate change may even hold follow-up summit meet paris december move paris deal forward.featured image via ukas michael pool/getty image world leaders decide need u.s. move forward climate change