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Rebecca D. Costa

Sociobiologist & Author of The Watchman's Rattle

Astoria, OR, USA
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Shel Horowitz

Green Guerrilla Marketer, National Environmental Hall of Fame, Social Activist, and Author

Amherst, MA, USA / 8 reviews
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Robert Swan

Polar Explorer & Environmentalist; First Man Ever to Walk Unsupported to Both Poles

Europe
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Fatih Birol

Executive Director of the International Energy Agency

Paris, France
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Tim Jackson

Ecological Economist, Playwright & Director of the Centre for the Understanding of Sustainable Prosperity

Surrey, UK / 1 reviews
Joe hanson

Joe Hanson

Science Writer, Biologist, Video Producer & Educator

Austin, TX, USA / 1 reviews
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Ann McElhinney

Documentary Filmmaker Known For "FrackNation," "Not Evil Just Wrong" & "Mine Your Own Business"

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Naomi Oreskes

Geologist & Earth Science Historian

Boston, MA, USA
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Christopher C. Horner

Former Senior Fellow at the Competitive Enterprise Institute, Attorney & Climate Change Denial Activist

Washington, DC, USA
Angelique kidjo

Angélique Kidjo

UNICEF Goodwill Ambassador, Singer & Songwriter

New York, NY, USA
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James Barbour

Press Secretary at the British Embassy, Washington DC, and Head of Communications for the UK Government across the United States

Washington, DC, USA
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Christine Ervin

Former US Assistant Secretary of Energy; National Leader on Green Buildings & Clean Energy

Portland, OR, USA
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Frans Lanting

Wildlife Photographer

Santa Cruz, CA, USA
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Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

Bexley, OH, USA
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Joan Baez

Legendary Folk Musician & Human Rights Activist

Ron pernick

Ron Pernick

Co-Founder & Managing Director of Clean Edge, Inc.

Portland, OR, USA
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Mark Tercek

Former President & CEO of The Nature Conservancy

Arlington, VA, USA
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Steve Goreham

Engineer, Author & Authority on Environmental and Energy Issues

Illinois, USA
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John Passacantando

Former Executive Director of Greenpeace USA

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Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan

Denver, CO, USA
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