Introduction and welcome

http://climatechange.bmj.com

Climate change is the greatest current threat to public health. This is the view shared by Dr Margaret Chan, director general of WHO, and a growing number of the world's health professionals. Less well known is the view of leading military experts -- those working to prevent and manage conflicts around the world: that climate change is also the greatest future threat to security.

In this first video, Dr Fiona Godlee, Editor in Chief of the BMJ, introduces Chris Huhne MP,Secretary of State for Energy and Climate Change and Lord Michael Jay, Chair of Merlin, formerly advisor to Tony Blair and permanent under secretary of state for foreign affairs

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  Science & Technology