Europe sweats through heat, worse to come

France banned alcohol in red-alert areas Sunday, Spain and Germany canceled or postponed sports events and Britain warned of "tropical nights" as Europe sweltered through a heatwave threatening to break June temperature records.

Less than a month after a May heat wave that set records in several European countries, the continent is facing a new bout of extreme weather, with temperatures set to rise even further in coming days.

Scientists have shown that recurring heat waves are a clear marker of ...