Summer 2024 is already the hottest on record

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The Northern Hemisphere conscionable experienced the hottest summertime connected grounds since astatine slightest 1940, adjacent topping past year’s record-breaking season, according to the European Union’s Copernicus Climate Change Service (C3S).

“The temperature-related utmost events witnessed this summertime volition lone go much intense.”

Scorching temperatures truthful acold this twelvemonth besides enactment 2024 connected way to beryllium the hottest twelvemonth since record-keeping began successful 1850, perchance unseating 2023 for the apical spot. Temperatures person risen steadily since greenhouse state emissions from burning fossil fuels soared with the concern revolution, showing a wide inclination successful the data.

“The temperature-related utmost events witnessed this summertime volition lone go much intense, with much devastating consequences for radical and the satellite unless we instrumentality urgent enactment to trim greenhouse state emissions,” Samantha Burgess, lawman manager of the Copernicus Climate Change Service, said successful a statement today.

A enactment graph shows anomalies successful planetary aboveground aerial temperatures by period for each years since 1940. 2023 and 2024 amusement the highest temperatures

Image: Copernicus Climate Change Service/ECMWF

Hotter summers tin trigger each sorts of antagonistic consequences. Olympic athletes raised concerns astir the vigor impacting their show and posing wellness risks successful Paris this year, with galore teams opting to ship successful their ain aerial conditioning to the Olympic Village. The Games aside, spikes successful energy request for aerial conditioning during heatwaves tin raise energy bills, stress retired the powerfulness grid, and origin much blackouts during the summer.

And erstwhile radical can’t chill down, vigor exhaustion tin pb to vigor changeable and adjacent death. Heat related deaths person climbed successful the US since 2016, peaking with 2,325 documented past year. This is simply a occupation felt crossed the world. This June, astatine least 1,300 radical died during the yearly pilgrimage to Mecca arsenic temperatures reached arsenic precocious arsenic 49 degrees Celsius (120 degrees Fahrenheit).

The dataset Copernicus uses for its investigation lone goes backmost to 1940. But different precocious published research utilizing markers successful past histrion rings recovered that summertime 2023 was apt the hottest for the Northern Hemisphere successful astatine slightest 2,000 years.

A barroom graph shows planetary aboveground aerial temperatures rising, connected average, betwixt 1979 and 2024.

Global-average aboveground aerial somesthesia anomalies comparative to 1991–2020 for each boreal summertime (June to August) from 1979 to 2024.

Image: Copernicus Climate Change Service/ECMWF

Even compared to much caller years, this summertime was hot. Global mean temperatures betwixt June and August were .69 degrees Celsius supra the mean for 1991 to 2020. Every fraction of a grade matters since clime alteration tin pb to overmuch much stark impacts astatine the section level.

The extremity of the Paris clime statement is to support planetary mean temperatures from rising much than 1.5 degrees Celsius higher than they were earlier the concern revolution. Doing truthful would person tremendous wellness benefits, preventing betwixt 110 to 2,720 heat-related deaths each twelvemonth crossed 15 US cities, researchers estimate.

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