The Challenges and Controversies of Butterfly Rewilding

We are raiding the Guardian Long Read archives to bring you some classic pieces from years past, with new introductions from the authors. This week, from 2020: A handful of radical nature lovers are secretly breeding endangered species and releasing them into the wild. Many are prepared to break the law and risk the fury of the scientific establishment to save the animals they love. By Patrick Barkham. Help support our independent journalism at theguardian.com/longreadpod