Stockpiles of coal at the Guoyuan Port Container Terminal in Chongqing, China, on Feb. 19, 2025. Photo by Na Bian / Photographer: Na Bian/Bloomberg

(Bloomberg) — Members of the team representing China at the COP30 summit said trade rules and restrictions, including US President Donald Trump’s tariffs and measures adopted by the EU, are undermining global efforts to limit warming and are weakening climate ambition.

The growing use of “unilateral” tools has pushed up costs and slowed the broader rollout of green products worldwide, hindering the global transition, senior Chinese advisers said during an interview Friday at the United Nations climate meeting in Belém, Brazil. Instead of driving emissions cuts, they warned, the measures risk fragmenting global supply chains and erode trus

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