Billed as a rival to the Olympic Games, the Enhanced Games, set to take place in 2025, is a sporting event with a difference; athletes will be allowed to dope. Ian Sample talks to chief sports writer Barney Ronay about where the idea came from and how it’s being sold as an anti-establishment...

What can sound tell us about nature loss? Guardian biodiversity reporter Phoebe Weston tells Madeleine Finlay about her visit to Monks Wood in Cambridgeshire, where ecologist Richard Broughton has witnessed the decline of the marsh tit population over 22 years, and has heard the impact on the...

This week, in a landmark case, the European court of human rights ruled that Switzerland’s weak climate policy had violated the rights of a group of older Swiss women to family life. Ian Sample talks to Europe environment correspondent Ajit Niranjan about why the women brought the case and what...