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A new study in Nature quantifies the causal link between worsening heat waves and emissions from 14 major fossil fuel and cement companies. Analyzing 213 global heat waves (2000-2023), researchers found climate change significantly increased their likelihood and severity. Up to 25% of these events would have been impossible without these companies' pollution, which contributed to a 50% increase in heat wave intensity. This research could have significant legal implications, aiding lawsuits seeking to hold fossil fuel producers accountable for climate damages.

Prepared by Olivia Bennett and reviewed by editorial team.