Guardian: In my 25 years of environmental campaigning I have seen lots of inspired protests and lots of daft or pointless ones. But the WWF Earth Hour campaign has to be one of the most misguided and counterproductive actions I have ever seen. On the face of it, this seems like a rather neat idea, which ticks every box for a mass action. Turning your lights off for an hour this Saturday from 8.30pm is a small, simple act that is easy to publicise. It is highly visible. It’s something …