EnvironmentFinland's long, hard road to creating a circular economy A visit to a state of the art rubbish dump serving Helsinki shows that even in the greenest of nations, tackling waste is a complex problem 51¶¯Âþ
PhysicsRecreating star fusion on Earth could solve our energy crisis Nuclear fusion could solve the world’s energy problems, says physicist and Everest-climber Melanie Windridge, who reveals some of the latest innovations Features