Nyorai kuenderera mberi kweiyi ndima - Muna 2015, masangano maviri epamutemo eUNFCCC nyanzvi dzesainzi akauya kumhedziso yekuti, "mune dzimwe nzvimbo uye masisitimu ezvakatipoteredza, njodzi dzakakwirira dzinofungidzirwa kunyangwe nekudziya kwepamusoro kwe1,5 °C". Iyi nzvimbo yenyanzvi, pamwe chete nenzwi rakasimba rezvematongerwe enyika renyika dzine urombo uye nyika dzezvitsuwa muPacific, yaiva simba rinotungamirira kugadziriswa kweParis Conference
2015, kuisa ichi 1.5 °C refu-refu chinangwa pamusoro aripo 2 °C chinangwa.