We think of New York as having a rat problem, but cats are doing just as much damage. They hunt staggering numbers of birds, they carry parasites that cause birth defects, they spread diseases that wash into the ocean and kill sea otters and seals. NYC’s cat population is exploding. There are more cats in North America than ever before. Reporter Meg Duff investigates what, if anything, might be done about that.The Outside Podcast is made possible by Outside+ subscribers. Learn more about all the benefits of a subscription and subscribe now at outsideonline.com/podplus