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UN Climate Change Conference - Belém, November 2025
10 Nov - 21 Nov
2025
Belém
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World leaders gather in Belém today and tomorrow to tackle the climate crisis
COP30 entrance by night
Credit: Flickr/COP30Amazonia

The two-day World Leaders Climate Action Summit kicks off today bringing together heads of state and government, ministers, and leaders of international organizations to discuss pressing climate change challenges and commitments.

The Summit is part of the official activities of the UN Climate Change Conference (COP30), which runs from November 10 to 21. Convened by President Luiz Inácio Lula da Silva, the meeting represents a key milestone in the process of mobilization and international dialogue on the climate agenda. Both the Summit and COP30 provide a platform for world leaders to raise ambition, translate climate pledges into concrete, real-economy outcomes.

Throughout both days of the Leaders' Summit, heads of delegation will take the floor in the Plenary Hall to deliver their formal speeches on climate. António Guterres, Secretary-General of the United Nations will address the Leaders’ Summit today.

The opening plenary will be streamed on UN Web TV from 10:30 – 17:30 Belém time today here.

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