- male
- Fred Krupp is the president of Environmental Defense, a US-based nonprofit environmental advocacy group. Krupp is a graduate of Yale University...
- male, 54 years old
- Stéphane Maurice Dion, PC, MP, Ph.D., (born September 28, 1955 in Quebec City, Quebec) is the current leader of the Liberal Party of Canada and L...
- 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...
- male
- Kevin Smith was a New Zealand conservationist. He was active in the area of forest conservation. In 1985 Smith was employed by Royal Forest and...
- male, 80 years old
- Maurice F. Strong, (his first name is pronounced "Morris"), PC, CC, OM (born April 29, 1929, in Oak Lake, Manitoba) is an industrialist and public...
- male, 49 years old
- Derrick Jensen (born December 19, 1960) is an American author and environmental activist who lives in Northern California. He has published several...
- male, deceased (1997)
- John Denver (December 31, 1943 - October 12, 1997), born Henry John Deutschendorf, Jr., was an American folk singer-songwriter and folk rock...
- male
- Ken Ward is an environmental activist who served as Executive Director of NJPIRG and RIPIRG, Deputy Executive Director, Greenpeace USA, cofounder...
- male, 41 years old
- Alex Steffen Alex Steffen has been the Executive Editor of Worldchanging since he co-founded the organization in 2003, as the next phase in a...
- male, 92 years old
- Barry Commoner (born May 28 1917) is an American biologist, college professor, and eco-socialist. He ran for president of the United States in the...
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