2025 Ranked As One of World’s Hottest Years Due to Human-Made Climate Crisis |
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A new analysis of the world’s climate in 2025 finds that this year was one of the three hottest ever recorded, demonstrating that the threat posed by the human-made climate crisis is not going away anytime soon.
The analysis by World Weather Attribution (WWA), an organization that examines the likelihood that the climate crisis played a role in severe weather events, also shows that, over the past three years, the world has exceeded the 1.5 degrees Celsius global increase limit outlined in the 2015 Paris Agreement.
Temperatures remained high this year, despite the presence of the La Niña weather phenomenon in the Pacific Ocean, which typically cools those waters whenever it occurs.
Overall, the WWA report published on Tuesday documented 157 extreme weather events throughout 2025, defined as an event that either causes more than 100 deaths in a given area, detrimentally affects more than half that area’s population, or results in a state of emergency being declared.
Friederike Otto, a co-founder of WWA and a professor of climate science at the Imperial College of London, said the climate crisis and humanity’s role in exacerbating it could not be debated.
“Each year, the risks of climate change become less........