A new study of cities across the globe has found a link between climate change and larger increases in the urban rat ...

A new study finds that rat infestation in many of the world’s cities appears to be soaring, especially in Washington.

Climate change is fueling a surge in rat populations across major US cities, with Washington, DC, seeing the worst increase ...

Winters are getting warmer and shorter as the climate changes. That's helping rat populations grow in several U.S. cities.