EnvironmentThe end of waste: The grand plan to build a truly circular economy We hack almost 100 billion tonnes of stuff from Earth’s surface every year, and most of it goes to waste. Changing that means a complete overhaul of how we live Features
SpaceLeigh Fletcher interview: Why we urgently need a mission to Neptune To understand the secrets of the most common type of planet in our galaxy, we need to explore ice giants Neptune and Uranus. But we must act now or wait decades for another launch window, says planetary scientist Leigh Fletcher Features