Mezue ahịrịokwu na-esonụ: N'etiti Disemba 2015, o sonyere na
Nzukọ Mgbanwe Ihu Igwe nke 2015 United Nations. Ọ gara nke ọma n'ịmepụta njikọ ọhụrụ n'etiti mba ndị mepere emepe na ndị na-emepe emepe a kpọrọ High Ambition Coalition. A na-enye nkwado nke ihe karịrị mba 90 maka ịkwalite ogbako ahụ gburugburu ihe mgbaru ọsọ nke ijide okpomọkụ ụwa ruo 1.5 °C.