"In my more than three decades in government, I have never seen anything approaching the degree to which information flow from scientists to the public has been screened and controlled as it is now," James E. Hansen told a University of Iowa audience.
Hansen is director of the NASA Goddard Institute for Space Studies in New York and has twice briefed a task force headed by Vice President Dick Cheney (news - web sites) on global warming.
Hansen said the administration wants to hear only scientific results that "fit predetermined, inflexible positions." Evidence that would raise concerns about the dangers of climate change is often dismissed as not being of sufficient interest to the public.
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