Rubuta ci gaba don wannan sakin layi - A cikin 2015, hukumomin masanan kimiyyar kimiyya na UNFCCC guda biyu 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 da ke haifar da shawarar taron Paris
2015, don kafa wannan maƙasudin dogon lokaci na 1.5 ° C a saman burin 2 ° C na yanzu.