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The Guardian, Nov. 6, 2025
The failure to limit global heating to 1.5C is a “moral failure and deadly negligence”, the UN secretary general has said at the opening session of the Cop30 climate summit in the Brazilian city of Belém.
António Guterres said even a temporary overshoot would have “dramatic consequences. It could push ecosystems past catastrophic tipping points, expose billions to unliveable conditions and amplify threats to peace and security.”
Speaking to heads of state from more than 30 countries, Guterres called the target of limiting global heating to 1.5C above preindustrial levels a “red line” for a habitable planet and urged his audience to bring about a “paradigm shift” so that the effects of the overshoot could be minimised.
“Every fraction of a degree means more hunger, displacement and loss – especially for those least responsible. This is moral failure – and deadly negligence,” he said.
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