Climate change makes extreme weather events more common and intense globally
Scientists explain how human activities fuel rising temperatures that worsen heatwaves, droughts, wildfires and floods around the world.

Human activity drives temperature rise
Rising global temperatures are caused by human actions such as burning fossil fuels. Computer models compare current conditions with a hypothetical world without human influence to measure these effects.
UK summer 2026 record heat
The United Kingdom recorded its hottest summer on record in 2026 according to the Met Office. This event was made 130 times more likely by climate change and included five widespread heatwaves.
Future extreme events increase
Dr Mark McCarthy warned that extreme heat events will become more common as the planet warms. Daily temperature ranges are shifting to warmer levels, making hotter days more likely and more intense.
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