The Environmental Impact of Pets. Pet ownership has boomed during lockdown and so has their environmental impact. 7th Generation explore the effects pets are having on wild spaces, including the chemical impact of flea and worm treatments, with Stephanie Morren of the RSPB and Clare Shand of Westgate testing labs, and find out about the history of pets and pet products from "animal geographer" Dr Philip Howell of Cambridge University. Plus tips on reducing your pet's paw-print!