As COP30 begins in Belém, Brazil, the Paris Agreement faces its most difficult test yet — rising emissions, record heat, and geopolitical divisions that threaten the future of global climate cooperation

A report on global climate progress finds key indicators off track, an increase in fossil fuel use and deforestation, and widening political divisions

While delivering on key 'America First' campaign promises, will Trump weaken the U.S.'s position as global leader?