Unusually high temperatures have left Europe and the U.S. sweltering with heat waves and health warnings, with many states in the South and Midwest setting new records.

Britain had its hottest day of the year on Friday, with temperatures climbing above 30C in parts of south-east England, with a high of 31.8C at Heathrow Airport.

Spain and France also experienced unusually hot weather in June, with wildfires erupting in Catalonia and southern France.

From 2015 to 2021, the past seven years have been the warmest on record globally. Mark McCarthy, head of the Met Office’s National Climate Information Centre, said climate change had increased the likelihood of extreme temperatures, although he noted the UK’s hot June weather was “not unprecedented”.

Extreme weather events such as heat waves and floods are expected to get worse and more frequent as the planet’s average temperature rises.

A very hot May followed by a non-seasonal June that was the fifth warmest on record, matching the experiences of 2018 and 2021, according to NOAA.

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Extreme heat hit much of the U.S. last week, killing at least 2,000 cattle in Kansas.hit an all-time high ToledoOhio and NashvilleTennessee, and Texas, while the governor directed regional authorities to deploy emergency resources in response to a water main failure affecting 165,000 people.

“Compared to normal, the hottest weekend temperatures will be in the northern and central plains, with daytime highs in the 20-30s range [Fahrenheit] Above-normal and record temperatures are expected,” the National Weather Service warned on Friday. “Record heat is also possible along the southeastern and mid-Atlantic coasts. “

More than 20,000 homes and businesses were without power Friday in Michigan, Missouri, Ohio, Wisconsin and Illinois, according to the Poweroutage.us website.

Meanwhile, in the southern hemisphere, cold snaps hit parts of Australia that brought unusual snowfall to southern states and increased demand for electricity for heating, putting pressure on the grid. NSW on Friday invoked emergency powers to require miners to divert any coal shipped overseas to local generators.

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