
Toronto’s rat population is growing faster than the rodents of New York City, Chicago or Amsterdam, according to a new study, illuminating how climate change and urbanization are turbo-charging rat growth in the absence of effective control strategies.
Residents who have complained for years about a perceived rodent surge now have peer-reviewed evidence, published in the journal Science Advances on Friday, that lays bare the scale of Toronto’s problem. Of the 16 cities analyzed, Toronto had the third-fastest growing rat population.
