Home » News & commentaries » In the news » UK heatwaves may have cost economy £4.4bn in lost output so far this year, analysis finds UK heatwaves may have cost economy £4.4bn in lost output so far this year, analysis finds In the news on 12 August, 2026 Heatwave-parched Somerset farmland. Photo: stevekeiretsu/Flickr Guardian, 12 August 2026