2023 Was the Hottest Year on Record — By a Long Shot

Jan 9, 2024

2023 ‘surprised all climate scientists,’ says deputy director of EU’s climate agency

After a year of record-breaking wildfires across Canada and the hottest temperature ever recorded on Earth, it likely comes as no surprise that 2023 was the hottest year on record.

According to the European Union’s Copernicus Climate Change Service (C3S), 2023 was 1.48 C warmer than the pre-industrial average from 1850–1900, beating out 2016’s record of 1.25 C.

As we continue to burn fossil fuels and pump greenhouse gases into the atmosphere, the planet keeps getting warmer. According to the climate agency, global CO2 levels were 419 parts per million (ppm) in 2023, an increase of 2.4 ppm from the previous year.

To put that into perspective, in 1988, the year climate scientist James Hansen warned the U.S. Congress about global warming, it was 351 ppm. And it’s currently increasing at a much faster rate than in the past.

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