BELEM, Brazil — This year's United Nations global climate conference in Brazil ended on Saturday with a formal agreement that failed to address phasing out fossil fuels — the main driver of global warming.

The United States was conspicuously absent from this year's talks, known as COP30, after the Trump administration refused to send a delegation to Belém, Brazil.

In the end, the conference delivered only modest progress on international efforts to curb global warming and pay for the costs of adapting to a hotter planet.

Earlier in the week, more than 80 countries had demanded negotiators agree to a "roadmap" to transition the global economy away from fossil fuels. The group included many developing nations hit hard by climate change, along with the United Kingdom, Germany, and oil

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