Climate change

By mapping shade, a new online tool calculates the best way to stroll a city without overheating.

This report provides a consolidated regional assessment, with authoritative information on key climate indicators, impacts and risks to support decision-making.

Extreme weather and climate-related events affected at least 13 million people and led to over 3 000 reported fatalities in Africa in 2025, with knock-on effects across all sectors of the economy and society.

This report reveals how children’s exposure to multiple, overlapping climate hazards, inherent physical vulnerabilities, and the gaps in the social services they rely on, undermines their rights and increases their risk of harm.

Climate hazards have always occurred naturally, but human-induced global warming is changing much of the world as we know it.

Dangerous heat, devastating rainfall and flooding, and severe drought affected millions of people across Asia in 2025, exacting a heavy human and economic toll.

The WMO State of the Climate in Asia 2025 reports that ocean heat, which has increased since the 1990s, reached a new record.