Climate

Higher temperatures fuel gun violence. Now we know how much is from climate change.

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Based on a feed excerpt; full article content has not been acquired. Source evidence retrieved 25/10/2026, 13:00:23 UTC.

Briefings

A new study attributes approximately 2,000 U.S. shootings between 2021 and 2025 to high temperatures driven by climate change. In Philadelphia, climate change is estimated to have caused 149 additional shootings from 2021 to 2025. The research used 22 global climate models to simulate temperature impacts on 100 cities, revealing that climate change increases the likelihood of extreme heat events like the July 4th heat dome in Philadelphia.

Key points

• Climate Central estimates that approximately 2,000 shootings in the 100 U.S. cities with the most gun violence are attributable to high temperatures made more likely by climate change.
• In Philadelphia, climate change is estimated to have caused 149 additional shootings between 2021 and 2025 due to a 2.7-degree Fahrenheit temperature gap.

Context

Research indicates that increased temperatures correlate with increased gun violence, with a new study estimating 2,000 shootings in the 100 most violent cities are due to climate change. The July 4th heat dome in Philadelphia was at least twice as likely to occur due to climate change, and the study found climate change is raising the risk of gun violence across all studied cities.

Limitations

No individual shootings were attributed to climate change; researchers used aggregate models across 100 cities. Estimates are based on simulated temperatures and historical data, with uncertainty regarding specific city impacts and future projections.

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