Cities around the world are experiencing a dramatic rise in rat populations, with studies indicating that climate change is a significant contributing factor. Rising temperatures and warmer winters are creating ideal conditions for rats to thrive, leading to a notable increase in their numbers. As urban environments heat up, experts warn that cities may be unprepared for the impending rodent surge, which could worsen in the coming years. The phenomenon is so pronounced that some locations have documented increases in rat populations by up to 390% over the past decade. With more baby rats being born and survival rates increasing due to milder weather, urban rat infestations are becoming a pressing issue that cities must address.