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 2019: Hundreds of ski resorts now stand abandoned across the Alps. But some scientists believe they have found a way to keep snow on the ground – and that it could help vulnerable communities all over the world. By Simon Parkin. Help support our independent journalism at
theguardian.com/longreadpod