An portable air-conditioner hose peeking out of an apartment window in Paris on June 26, 2026. Photo: Benjamin Girette/Bloomberg via Getty Images Europe’s brutal, deadly heat wave , the second time the continent been trapped under a heat dome this year, is finally ending after the extreme weather broke temperature records and upended daily life for nearly two weeks across the continent. Unfortunately, Europe is both by far the world’s fastest-warming region and a place where the vast majority