- male, 63 years old (New York, New York, United States)
- William Jefferson "Bill" Clinton (born William Jefferson Blythe III on August 19, 1946) was the 42nd President of the United States, serving from...
- male, 68 years old
- James E. Hansen (born March 29, 1941 in Denison, Iowa), heads the NASA Goddard Institute for Space Studies in New York City, a part of the Goddard...
- female
- Vicky Pope is head of the climate predictions programme at the Hadley Centre. She spent 6 years as manager of atmospheric climate model development...
- male, 32 years old
- John Clayton Mayer (born October 16, 1977) is an American singer-songwriter and guitarist. Originally from Connecticut, he briefly attended Berklee...
- male
- Bill McKibben is a writer and activist on global warming, alternative energy, and the need to reshape our economy and our communities. His first...
- male
- Former Vice President Al Gore is Vice Chairman of Metropolitan West Financial, LLC, and a member of the firm's executive leadership team. He serves...
- male, 70 years old (Cambridge, Massachusetts, United States)
- Richard Siegmund Lindzen, Ph.D., (born February 8, 1940) is an atmospheric physicist and the Alfred P. Sloan Professor of Meteorology at the...
- male
- Ross McKitrick is a Canadian environmental economist and global warming skeptic, best known for his statistical reviews of temperature record...
- male
- Mark Lynas (b. 1973) is a British author, journalist and environmental activist focussed on climate change. He is a contributor to New Statesman,...
- male, 58 years old
- Thom Hartmann (b. May 7, 1951) is an American broadcaster, three-time Project Censored Award Winning New York Times bestselling author, and former...
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