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Ralph Cicerone
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Ralph John Cicerone was an American atmospheric scientist and administrator. From 1998 to 2005, he was the chancellor of the University of California, Irvine. From 2005 to 2016, he was the president of the National Academy of Sciences (NAS). He was a "renowned authority" on climate change and atmospheric chemistry, and issued an early warning about the grave potential risks of climate change.
Cicerone speaking at the NAS Building in 2013
Cicerone speaking at the NAS Building in 2013
National Academy of Sciences
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The National Academy of Sciences (NAS) is a United States nonprofit, non-governmental organization. NAS is part of the National Academies of Sciences, Engineering, and Medicine, along with the National Academy of Engineering (NAE) and the National Academy of Medicine (NAM).
The National Academy of Sciences building in Washington, D.C. in 2000
The National Academy of Sciences building in Washington, D.C. in 2000
The National Academies' Beckman Conference Center, Irvine, California
The National Academies' Beckman Conference Center, Irvine, California
The Keck Center of the National Academies in Washington, D.C., one of several facilities where the National Academy of Sciences maintains offices
The Keck Center of the National Academies in Washington, D.C., one of several facilities where the National Academy of Sciences maintains offices