Sheffield's gone to war with itself over its trees. Is it all Margaret Thatcher's fault? What have bunnies, squirrels and geckos got to do with it? And who the hell is Amy?We have a natter to splendid Sheffield tree campaigner, Fran Halsall.Also this week, Michael Gove's done another good thing. But how come we didn't have a deposit return scheme years ago? We smell Inhofery.Sustainababble is your friendly environment podcast, out weekly. Theme music by the legendary Dicky Moore – @dickymoo. Sustainababble logo by the splendid Arthur Stovell.Available on iTunes, Acast, Soundcloud & all those types of things, or at sustainababble.fish. Visit us at @thebabblewagon and at Facebook.com/sustainababble. Email us at [email protected].