I may have mentioned this before, but David Miliband's blog is well worth a look. There's a heated debate about global warming starting up following a post of his titled 'Good Science or Flat Earth'.
This blog is being used by the Thatcham Vision team to publish news about the project , links to developments which are relevant to the topic areas covered by the emerging action plan and notes on issues and ideas related to the development and implementation of the Vision.