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

Simmering urban temperatures are bad for humans. It's another story for rats, according to new research -- especially in Washington, D.C.

Based on individual trends within cities, Washington was by far the leader in rat increases, followed by San Francisco, Toronto, New York City and Amsterdam. NBC Universal, Inc. Rat infestation in ...

WASHINGTON (AP) — Rat infestation in many world cities appears to be soaring, especially in Washington, and a new study blames climate change, urbanization and other human actions. A first-of ...

In 11 of those cities, rat complaints have increased, according to a study in Friday's journal Science Advances. Recommended Videos Based on individual trends within cities, Washington was by far ...

Want to bookmark your favourite articles and stories to read or reference later? Start your Independent Premium subscription today. From reproductive rights to climate change to Big Tech, The ...