These US cities face a growing rat problem

This week’s frigid weather has many New York City residents shivering, scurrying into cozy spots and feeling sapped.
The city of Amsterdam is one of 11 where climate change is considered to be having an impact on the rising rat population.
Climate change is contributing to a global rise in urban rat infestations, according to a new Science Advances study. As ...
A new study finds that rat infestation in many of the world’s cities appears to be soaring, especially in Washington.
Such cold has, yes, a chilling effect on the Big Apple's notorious rodents. But it boosts efforts to get rid of them, says ...