James Hansen is Leaving NASA to Intensify His Campaign for Carbon Cuts. The New York Times 20130401

http://dotearth.blogs.nytimes.com/2013/04/01/james-hansen-is-leaving-nasa-to-intensify-his-campaign-for-carbon-cuts/?emc=eta1
After nearly half a century of research in planetary and climate science for NASA, James E. Hansen is retiring on Wednesday to pursue his passion for climate activism without the hindrances that come with government employment.