A global review of extreme heat has found that between May 2024 and May 2025, nearly half the world’s people (49% or 4 billion) suffered through an extra 30 days of temperatures that were hotter than those experienced 90% of the time between 1991 and 2020.
Scientists from World Weather Attribution, the Red Cross Red Crescent Climate Centre, and Climate Central found that climate change had also doubled the number of heatwaves in the world. The research also identified 67 extreme heat events that were influenced by climate change.
The Conversation Africa spoke to climate scientist Joyce Kimutai, one of the authors of the report.