Burgeoning rat populations are a big problem for cities. Rats damage infrastructure, contaminate food, and can start fires by gnawing through wires. They cause an estimated $27 billion of damage ...

Primary among the reasons found for the growing problem: warmer average temperatures due to climate change. Warmer winters, denser living conditions, less vegetation and limited rat control ...

“Even scents of food and rubbish can travel farther in warmer weather,” he told CNN. Burgeoning rat populations are a big problem for cities. Rats damage infrastructure, contaminate food, and can ...