San Francisco Faces Rising Rat Population Due to Climate Change
San Francisco Faces Rising Rat Population Due to Climate Change
US · Published Feb 26, 2026
San Francisco is experiencing a significant increase in its rat population due to warmer temperatures from climate change.
The city is using rat birth control in parks and improving waste management to control the rising rat population.
Urban heat islands and abundant food sources in San Francisco's dense environment are contributing to the rat problem.
Climate change fuels rat population increase
San Francisco faces a significant challenge with a growing rat population, largely due to climate change effects. A study in Science Advances shows warmer temperatures cause faster rat population growth. The city is using rat birth control in parks for humane, sustainable management.
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