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A persistent high-pressure heat dome is trapping heat and humidity over continental Europe, driving record temperatures from France to the UK. The phenomenon is linked to escalating temperatures due to fossil-fuel emissions, with authorities warning of health risks, wildfires, and rising energy demand.
A heat dome has pushed temperatures to dangerous levels across the central and eastern United States. Forecasters warn heat indexes could reach 40–46C (104–115F), with nights offering little relief. Emergency measures are under way in several cities as heat threatens the holiday weekend.