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John Theon

NASA Atmospheric Scientist (retired)

Retired senior NASA atmospheric scientist John S. Theon is the former supervisor of James Hansen, the NASA scientist widely known for his vocal warnings of man-made global warming. Theon has now publicly declared himself a skeptic and declared that Hansen “embarrassed NASA” with his alarming climate claims and said Hansen “was never muzzled.”

John Theon Contributions

April 22, 2013
Heartland Institute Celebrates Earth Day with Release of New Book
  • Environment & Energy

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