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Jahi Chappell, Ph.D. Gabrielle Wong-Parodi Niall Dunne Kirstofor Lofgren Grandmother Agnes Baker Pilgrim Grandmother Beatrice Adam Eidinger Karan Sood Beth Simone Noveck Tyson Yunkaporta Sam Pizzigati Gillian Tett Jamal Rahman Count Anton Wolfgang von Faber-Castel Jay Walljasper Eric Corey Freed Asa Miller Pamela Kingfisher Dianne Griffen Jeff Greenwald Adair Turner Ben Collen Joes Segal David Victor Sarah Brightman Nigel Sizer Ray Anderson Keith Gilbert Doreen Boghan-Martin Nikos Avionas Jean-Pierre Quignards John Gray Chris Charles, Ph.D. Sharon Lerner Jerry Levitan Barry Heidt Maddy Maddy Harland Gary Eilerts Gerd Leonhard Ac Tah Aldo Leopold Tom Carpenter Simon Spear  Laura Cook Sir Mark Moody-Stuart Toby Hemenway Hal Wallils Juliet Schor Jan Schakowsky Gene Baur Gordan Tootootsis John Page Loretta Napoleoni Howard Zinn Terry Gips Noa Gafni Gary May Ben Cook Dan Pallotta Betty Soskin Bernice Sandler Eliot Whittington Brian Emerick Ishanvi Shetty Paul Beckwith Nina Gualinga Pat McCabe Maria Mendiluce Greg Cajete Rafael Gallo Cosmas Zavazava Dan Ariely Panfilo Tabora, Ph.D. John Médaille Julia Butterfly Hill Tony Stroebel Hector De La Torre Peter Hildebrand Carlos Alvadaro Matthew Kiernan Frank Bibeau Thomas Linzey James McGreen Toby Kiers, Ph.D. Christine Woerlen, Ph.D Reggie Watts Mary Gentile Vernon Masayesva Randy Hayes Lucas Benitez Amy Luinstra Simon Bernard Steve Loe Rachel Atcheson Ron Gdovic Nixiwaka Yawanawa Elder Albert Marshall Phyllis Young Globa Ushigua Mike Debonis Jerry Honawa Aisha Melina Laboucan Massimo Tara Cullis James O\'Dea Grandmother Katherine Whitecloud Agnes Pareyio Zukiswa White White David Okimoto Dennis Wilde Dirk Forrister Anthony Anaxagorou Manu Eveno Guujaaw Janice Taylor Dr. Steven Chu Kate Dineen Bob Ford Barbara McClintock Hilario Saant Tim Brown Naomi Cole Edward Deci Gretchen Biermann Kelly Hawke Baxter Billy Talen Johanna Bresnan Andrew Revkin Darrel Moellendorf Tom Toles Baba Brinkman James Braithwaite Prakash Lashawn Karen Washington Washington Ethan Kay Amanda Frye Christophe Mali Arno Harris David Bronner Supriya Verma Amy Bowers Cordalis Betty Mould Iddrisu Alan Cooperman Jeff Trussell Michael Spence Mike Mack David McConville Leah Penniman Bryan Stevenson Sherman Alexie David Rothenberg Phillippe Cousteau, Jr. Hioki Doryu Ron Garan Bren Smith Dejah Powell Nik Nowak David Wallace-Wells George Serafeim Chris Hayes Douglas Worts David Katz Carlee Loft William Rees Jeremy Faison Yuval Noah Harari Doug Cohen Will MacAskill James Newcomb Adam Sakellarides Kate Miller Dr. Avraham Arbib Astra Taylor Nousha Salimi