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Climate Impacts

A farmer stands in a field overgrown with weeds in Santa Fe Province, Argentina on January 18, 2023.
A farmer stands in a field overgrown with weeds in Santa Fe Province, Argentina on January 18, 2023. Photo: Gustavo Garello (AP)

La Niñas aren’t caused by climate change, but they can exacerbate conditions already made more severe by climate change. The Intergovernmental Panel on Climate Change has found that extreme heatwaves that used to happen once every half century now occur five times more often thanks to climate change; extreme droughts that used to happen once a decade, meanwhile, are now 70% more likely.