president barack obama little five months leave final term period two-term leaders simply set neutral coast finish line even presidential approval rise economy improve obama choose different path way out.on saturday morning world get evidence decision get much do time leave u.s. china announce major agreement reduce carbon emissions combat climate change.at ceremony sideline global economic summit obama xi represent world two big carbon emitters deliver series document u.n. secretary-general ban ki-moon paper certify u.s. china take necessary step join paris accord set nation-by-nation target cut carbon emissions fight one country matter powerful take alone obama say pact day may see moment finally decide save planet countries need sign agreement america china two consequential countries responsible 38 percent man-made carbon emissions entire world make agreement two nations set tone everyone else.climate change verify scientific study scientific study still reject republicans compromise donations big business current republican presidential nominee donald trump take opposition science even conspiracy theory climate change completely make idea chinese government.president obama embrace science democrats include hillary clinton instead twiddle thumb situation worsen choose something towards end presidency critical issue do yet.featured image via flickr months leave obama make huge move fix world