An international climate deal emerged Saturday meant to spur more concrete plans to transition away from fossil fuels, winning grudging acceptance from nations that insisted on stronger ambition in the fight against global warming.

Members of the European Union, which previously threatened to block any deal at the United Nations COP30 summit in Brazil that didn’t sufficiently address fossil fuels, said that they were prepared to accept the new plan. “We do think we need to support it,” said Wopke Hoekstra, the EU’s climate commissioner, following overnight talks. “But we’re not going to hide the fact we would have preferred more ambition.”

UK Energy Secretary Ed Miliband said he was “optimistic” on Saturday morning, a day after talks in the rainforest city of Belém had been set to end. “

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