oslo/washington donald trump vow renegotiate global accord climate change elect u.s. president cause dismay abroad wednesday supporters deal say interest embrace plan seek end dependence fossil fuel u.s. insistence renegotiation could unravel 195-nation compromise curb greenhouse gas emissions reach paris december fraught talk nations different china unite state small island state opec members paris agreement much unite state interest country say tony de brum ambassador climate change marshall islands country foreign minister help broke u.n. deal seek unravel would threaten u.s. economy damage environment weaken security would great disservice humanity say trump presumptive republican presidential nominee tell reuters tuesday big fan climate accord say china countries would stick one-sided deal seek transform world economy fossil fuel come decades slow global warm look seriously minimum renegotiate agreements minimum maximum may something else say trump say past believe global warm concept invent china hurt competitiveness u.s. business government officials meet bonn germany may 16-26 find ways implement deal raise concern trump comment doubt would take serious action deal impose real constraints unite state let nations define action fight climate change president barack obama promise cut emissions 2025 successors face penalties comply mean little incentive challenge u.n. deal many officials also say u.s. interest limit greenhouse gas emissions partly cut use fossil fuel also mean less air pollution big cause disease even many nations traditionally sceptical man-made greenhouse emissions stoke climate change like opec countries go along paris agreement george david bank senior climate change adviser president george w. bush trump supporter say trump could try force countries like china pledge deep emissions cut renegotiate agreement wishful think accord john coequyt director green group sierra club international climate campaign get 190 countries renegotiate deal implement say paris agreement formally enter force 55 nations represent least 55 percent world greenhouse gas emissions ratify china unite state represent 38 percent say join year deal enter force next u.s. president take office next year theory hard pull article 28 say nation want leave wait four years date entry force length u.s. presidential term trump easy option neglect deal elect legal experts say trump could ignore target set obama promise instead help develop nations cope global warm paris agreement flexible approach allow set goals radically different u.n. 1997 kyoto protocol set mandatory target develop nations cut emissions 2012. unite state take part kyoto president george w. bush denounce economic straitjacket say unfairly omit target develop nations lead china india former french foreign minister laurent fabius help broke paris deal say month u.s. election critical future climate change denier elect would threaten dramatically global action climate disruption say u.s. chief climate envoy jonathan pershing say last week nations likely push ahead paris agreement whoever win white house trump threat renegotiate u.n. climate deal cause dismay abroad