Earth warmed at a record rate in 2023 with scientists calculating 92% of last year’s surprising heat rise was caused by humans.
Last year’s record temperatures were so unusual, scientists have been debating what is behind the big jump and whether climate change is accelerating or if other factors are in play.“If you look at this world accelerating or going through a big tipping point, things aren’t doing that,” said the study’s lead author Piers Forster, a Leeds University climate scientist. “Things are increasing in temperature and getting worse in sort of exactly the way we predicted.
The team of authors — formed to provide annual scientific updates between major UN scientific assessments every seven to eight years — determined last year was 1.43C warmer than the 1850 to 1900 average with 1.31 degrees of that coming from human activity. On a larger 10-year time frame, which scientists prefer to single years, the world has warmed about 1.19C since pre-industrial times, the report in the journal Earth System Science Data found.
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