NewsAnimalsHotter cities? Here come the ratsCities with higher temperatures and dwindling green space also have more rats Rats love warmer weather. As temperatures in cities increase, people make more rat complaints, a new study shows.Jamie BettsBy Bethany Brookshire1 hour agoIf your city is getting rattier, climate change may be partially to blame.In an analysis of 16 cities around the world, those that saw the biggest temperature rises over the years also had more rat complaints over time, researchers report January 31 in Science Advances. Increased urbanization was also connected with more rat reports. The results suggest that higher temperatures may make rats and the diseases they can spread even harder to keep at bay.