COP30 opens in Brazil with calls for unity to tackle climate crisis About 50,000 people are expected to attend the 12-day climate summit in the Brazilian city of Belem.Share this: World leaders, rights groups react to COP30 climate dealDateNovember 22, 2025In relation toAl-JazeeraCOP30 is climate conference “of implementation”DateNovember 21, 2025In relation toAl-JazeeraTrue climate justice demands a reckoning with colonialismDateNovember 19, 2025In relation toAl-Jazeera