UN climate chief says new national climate plans will fall short on emissions cuts

With 2035 targets expected be too weak to meet global goals to limit warming, the UN’s Simon Stiell says COP30 should focus on how countries can speed up delivery of their plans
UN climate chief Simon Stiell speaks at the opening of Climate Week NYC, sitting next to the COP30 President André Corrêa do Lago on September 20, 2025. (Photo: The Climate Group)

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