Environment
UN agency warns extreme heat is becoming more frequent and intense globally
What happened
The World Meteorological Organization (WMO) reported on August 11, 2026, that extreme heat events are increasing in frequency and intensity worldwide. The agency linked this trend to rising global temperatures driven by climate change, warning of heightened risks to health, agriculture, and infrastructure.
Key facts
bullet: The WMO stated that extreme heat events are now more frequent and intense compared to previous decades.
bullet: The report was published on August 11, 2026.
bullet: The agency linked the trend to rising global temperatures attributed to climate change.
bullet: Health risks include increased cases of heatstroke and dehydration during extreme heat events.
bullet: Agriculture and water supplies are also affected, with potential crop losses and water shortages.
Context
bullet: The World Meteorological Organization (WMO) is the UN agency responsible for monitoring and reporting on global weather and climate conditions. bullet: Extreme heat events are defined as prolonged periods of abnormally high temperatures, often exceeding regional thresholds. bullet: Climate change, driven by human activities such as fossil fuel use, is a primary factor in the intensification of heatwaves. bullet: Extreme heat poses risks to human health, including heatstroke and dehydration, as well as impacts on agriculture, water supplies, and infrastructure.