EnvironmentThe climate change evangelist with God on her sideTo change the hearts and minds of climate sceptics, atmospheric scientist Katharine Hayhoe mixes hard science and the Bible to get her message acrossFeatures
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