- male, 75 years old (Washington, District of Columbia, United States)
- Ralph Nader (born February 27, 1934) is an American attorney and political activist, who has promoted a wide range of issues, including consumer...
- male, 73 years old
- David Takayoshi Suzuki, CC, OBC, Ph.D (born March 24 1936), is a Canadian science broadcaster and environmental activist. Since the mid 1970s,...
- male, 46 years old
- George Monbiot (born January 27, 1963) is a journalist, author, academic and environmental and political activist in the United Kingdom who writes...
- male, deceased (1862)
- Henry David Thoreau (July 12, 1817 – May 6, 1862; born David Henry Thoreau) was an American author, naturalist, transcendentalist, tax resister, de...
- male, 56 years old
- Thomas Loren Friedman, OBE (born July 20, 1953), is an American journalist, author and a three-time winner of the Pulitzer Prize. He is an op-ed...
- male, 70 years old
- Robert Edward Turner III (born in Cincinnati, Ohio) is an American media mogul and philanthropist. As a businessman, he is best known as the...
- male
- Alan Caruba is a public relations counselor and a free-lance writer who is a frequent critic of environmentalism and Islam and a global warming...
- female, 69 years old
- Dr. Wangari Muta Maathai born April 1, 1940 in Ihithe village, Tetu division, Nyeri District of Kenya is an environmental and political activist....
- male, 80 years old
- Edward Osborne Wilson (born June 10, 1929) is an American biologist (Myrmecology, a branch of entomology), researcher (sociobiology, biodiversity),...
- male, 61 years old
- 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...
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