According to the provisional figures, 193 countries, plus the European Union, have registered a delegation for the COP30 summit.

Danish climate-sceptic commentator Bjørn Lomborg says in the Wall Street Journal that China’s clean-energy wave “is powered by coal”. [Analysis for Carbon Brief shows that the emissions from making ...

As COP30 began in the Brazilian city of Belém, Carbon Brief hosted the first of three webinars to exclusively answer questions submitted by holders of the Insider Pass.

China’s carbon dioxide (CO2) emissions were unchanged from a year earlier in the third quarter of 2025, extending a flat or falling trend that started in March 2024.

The world’s media carries extensive coverage ahead of the official opening of the COP30 UN climate talks in Belém, Brazil ...

A gathering of world leaders kicked off in Belém, Brazil, ahead of the official opening of COP30 next week, and more climate news from the week.

Governments have, once again, failed to agree on a timeline for the Intergovernmental Panel on Climate Change (IPCC) seventh assessment cycle (AR7) ...

Carbon Brief’s real-time text tracker offers a helping hand by decoding agenda and keeping a searchable record of every document at COP30 ...

The UN secretary-general Antonio Guterres’s speech at the “opening session” of the COP30 summit in Belém, Brazil, which formally begins next week ...

COP30 host Brazil has published the “Baku to Belém roadmap”, an 81-page plan for how to mobilise $1.3tn a year in climate finance for developing nations ...