Climate change and extreme weather impacts hit Asia hard

Asia remained the world’s most disaster-hit region from weather, climate and water-related hazards in 2023. Floods and storms caused the highest number of reported casualties and economic losses, whilst the impact of heatwaves became more severe, according to a new report from the World Meteorological Organization (WMO).

Key messages
Long-term warming trend accelerates
Asia is world’s most disaster-prone region
Water-related hazards are top threat, but extreme heat is becoming more severe
Melting glaciers threaten future water security
Sea surface temperatures and ocean heat hit record highs

The State of the Climate in Asia 2023 report highlighted the accelerating rate of key climate change indicators such as surface temperature, glacier retreat and sea level rise, which will have major repercussions for societies, economies and ecosystems in the region.

In 2023, sea-surface temperatures in the north-west Pacific Ocean were the highest on record. Even the Arctic Ocean suffered a marine heatwave.

Asia is warming faster than the global average. The warming trend has nearly doubled since the 1961–1990 period.

“The report’s conclusions are sobering. Many countries in the region experienced their hottest year on record in 2023, along with a barrage of extreme conditions, from droughts and heatwaves to floods and storms. Climate change exacerbated the frequency and severity of such events, profoundly impacting societies, economies, and, most importantly, human lives and the environment that we live in,” said WMO Secretary-General Celeste Saulo.

In 2023, a total of 79 disasters associated with hydro-meteorological hazard events were reported in Asia according to the Emergency Events Database. Of these, over 80% were related to flood and storm events, with more than 2 000 fatalities and nine million people directly affected. Despite the growing health risks posed by extreme heat, heat-related mortality is frequently not reported.

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