Heatwaves and wildfires are setting back air quality improvements, UN finds

WMO report details extreme weather events causing climatic feedback loop with serious health consequences Big increases in wildfires and heatwaves supercharged by the climate crisis are hindering improvements to air quality around the world, UN experts have said. Regions that had recorded a fall...

Source: [Guardian International](https://www.theguardian.com/environment/2026/sep/07/heatwaves-wildfires-setting-back-air-quality-improvements-un-finds)