Nations Brace for Possible U.S. Disruption at COP30 Climate Summit in Brazil

As world leaders gather for the U.N. COP30 climate summit in Brazil, several governments are preparing for possible disruptions from the Trump administration — even without U.S. officials in attendance. The White House confirmed that no high-level representatives will participate, reiterating President Donald Trump’s view of climate change as the world’s “greatest con job.” Still, the U.S. retains the option to send negotiators before it officially exits the Paris climate agreement in January.

European Union officials told Reuters they are preparing for multiple scenarios, including the U.S. attempting to block agreements or hosting events criticizing climate policies. Tensions are high following Washington’s recent intervention at the International Maritime Organization, where U.S. threats of tariffs and visa restrictions derailed a global carbon fee on shipping. Officials fear similar tactics could undermine climate cooperation, especially if some nations yield to U.S. pressure.

Meanwhile, China is asserting its influence, emphasizing its commitment to multilateralism and the global green transition. With its industries leading low-carbon technology production, Beijing is positioning itself as a key player in shaping climate outcomes. Despite potential U.S. interference, most countries aim to preserve the COP process, which remains a critical platform for negotiating collective climate action and advancing global sustainability goals.

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