EarthWhy tidal power won't solve the world's renewable energy needs There are widespread calls for the UK government not to abandon a trailblazing tidal power project, but this energy source is no green panacea, says Hans van Haren Comment
HumansNorth Korea's nuclear-free pledge comes with a massive catch Last week saw a historic meeting between the leaders of North and South Korea, but the promise of a nuclear-free Korean Peninsula may not be so easy Analysis