Cika wannan jumla: A cikin 2015, hukumomin masana kimiyyar hukuma biyu na UNFCCC sun yanke shawarar cewa, "a wasu yankuna da yanayin halittu masu rauni, ana hasashen manyan haɗari har ma da dumamar yanayi sama da 1.5 °C". Wannan matsayin gwani, tare da muryar diflomasiyya mai ƙarfi na ƙasashe mafi talauci da ƙasashen tsibiri a cikin Pacific, shine ƙarfin motsawa wanda ya kai ga yanke shawarar Majalisar Dinkin Duniya na ba da shawara ga ƙasashen da suka fi talauci da kuma ƙasashen tsibiri a cikin Pacific.
Taron Paris na 2015, don saita wannan maƙasudin dogon lokaci na 1.5 ° C a saman burin 2 ° C na yanzu.