TEMPO.CO, Jakarta - As Spain battled its largest wildfire on record and France carried out one of Europe's biggest evacuations since World War II, scientists warned that extreme wildfires are becoming more frequent worldwide, DW reported. On Tuesday, French authorities evacuated another 4,000 people from Atlantic coast resorts adding to the 220,000 other people fleeing a blazing wildfire in southwest France. The Gironde wildfire has burned an area four times the size of Paris, and resisted the firefighting efforts of a dozen countries. Scientists describe these clouds as fire-generated thunderstorms forming over intense heat sources like wildfires or volcanic eruptions. Climate change exacerbating wildfiresScientists say climate change is fueling hotter, drier summers that are intensifying wildfires across Europe.