There’s a saying that in a big city you are never more than six feet away from a rat. It’s an urban myth, but scientists are warning cities across the globe are becoming far rattier, and the boom is primarily driven by one factor: climate change.

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

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

More rats: that’s the latest indignity that climate change is dumping on major cities around the world, including in Canada’s largest city, according to a new study from a group of global rodent and public health scientists.

Climate change is fueling a surge in rat populations across major US cities, with Washington, DC, seeing the worst increase over the past two decades, a new study said. The study published by Science Advances on Friday,