Europe, which is in the throes of a record-smashing heatwave this week, is the world's fastest-warming continent and stretches into an even more rapidly heating Arctic. After record high temperatures for May were broken in Britain, Ireland and France on Monday and Tuesday, the continent still faces more brutal heat…

Europe, which is in the throes of a record-smashing heatwave this week, is the world's fastest-warming continent and stretches into an even more rapidly heating Arctic.

Europe is in the grip of an early-season heatwave, with record May temperatures driven by a “heat dome” of hot air over the western part of the continent. Scientists point to human-caused emissions,…