Oh rats! Rat populations spike in cities due to warming temperatures, study says
CBSN
Urban dwellers in Washington D.C., San Francisco, Toronto, New York City, and Amsterdam might have seen rats scurrying across their cities — and they're not imagining an influx.
Rat populations have spiked in cities with warming temperatures resulting from climate change or urban heat islands, found a study released Friday in the journal Science Advances. Researchers analyzed public complaint and inspection data in 16 cities worldwide to estimate trends in rat populations and connect it to global warming patterns — marking the first time these associations have been linked.
"We found these cities that have increasing warming trends over the last 50 years or so also have faster number of rats," Jonathan L. Richardson, an associate professor at the University of Richmond and lead study author, told CBS News.
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When the Environmental Protection Agency was formed in 1970, its mission was to protect the environment and human health. Since then, scientists, health experts and advocates have worked to implement regulations aimed at protecting and cleaning the air we breathe and the water we drink. Many of these regulations, which were aimed at cleaning up the air, also helped reduce carbon emissions, which can contribute to climate change – so it was a win for our bodies and the planet.