Talking environmental optimism in Edinburgh. Join Jack and Aly, students at the University of Edinburgh, as they chat to Professor Dave Reay and to students Meg Todd and Dhruti Chakravarthi from the University of Edinburgh to lay down the social, historical and political foundations for contemporary sustainability and environmentalism. Find out more about Dave, Meg and Dhruti, as well as the show, by heading over to changetheconver.wordpress.com.