UN Chief Warns of 'Climate Chaos' as WMO Reports Record Heat and Deepening Planetary Imbalance

The UN's World Meteorological Organization (WMO) has released its flagship State of the Global Climate report, confirming the past decade (2015-2025) as the hottest on record and Earth's heat imbalance hitting a record high in 2025, prompting the UN chief to warn of 'climate chaos' and deepening planetary imbalance.