Europe is experiencing its second record-breaking heatwave of the year, pushing temperatures to historic highs across hundreds of cities. France recorded 44.3 degrees Celsius, its hottest day ever, as scientists confirm the continent is warming twice as fast as the global average. A study of 854 cities found nearly half have shattered all-time heat records in a single month. Researchers say extreme heat events will grow more frequent & intense until global emissions are decisively curtailed.