There is a direct corelation with military technocrats and climate change. Sagan argued the now accepted hypothesis that the high surface temperatures of Venus can be attributed to and calculated using the greenhouse effect. In 1958, the two worked on the classified military Project A119, the secret Air Force plan to detonate a nuclear warhead on the Moon. Sagan had a “Top Secret” clearance at the U.S. Air Force and a “Secret” clearance with NASA. While working on his doctoral dissertation, Sagan revealed US Government classified titles of two Project A119 papers when he applied for a University of California at Berkeley scholarship in 1959. The leak was not publicly revealed until 1999, when it was published in the journal “Nature”. A followup letter to the journal by project leader Leonard Reiffel confirmed Sagan’s security leak.