It 's running out to rein in climate change , the report concludes . ` ` A certain amount of uncertainty '' is setting in , expert says . Without checks on emissions , the crisis will be irreversible , it states . Losses outweigh gains for farmers and the poor , it concludes .
Time 's running out to rein in climate change , U.N. panel concludes . `` A certain amount of warming '' is locked in , expert says . Without checks on emissions , the impacts may be irreversible , report states . Losses outweigh gains for farmers and the poor , it concludes .