A new report reveals human caused climate change led to extreme heat affecting 4 billion people globally between May 2024-2025, causing illness, death, and straining resources. Heat waves are increasingly deadly, disproportionately impacting vulnerable populations and requiring urgent action to mitigate impacts and reduce fossil fuel reliance.

• 4 billion people experienced extra month of extreme heat.
• Heat-related deaths are often unreported/misattributed.
• Solutions include early warnings, cooling centers & tree planting.