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Roberto Romano Arvind Ganesan Danny Glover Renee Lertzmann Tania Pulido Njoki Ndungo Meror Krayenhoff David Hall, Ph.D. Trevor Hill Anthony Zolezzi Garry Bowen Valerie Suberg Gordan Tootootsis Will Spears Grandmother Katherine Whitecloud Naomi Klein Henry Taylor Jessica House Graham Townsley Murali Vullaganti Elder Albert Marshall Marcus Eriksen John Harrington Reed Maxwel Catherine MacKinnon Monica Chuji Gualinga Frances Frei Erica Gies Yvon Chouinard Gary Eilerts Shelley Cabrera Tom Harmon Ron Corn Jr.'s Lucy Winkett Katharine Hayhoe Rhone Resch Anthony Giddens Jasmina Tesanovic Kate Lundquist Mohamed Waheed Nikki Henderson Audrey Hope Sam Funk Eduarda Zoghbi Chase Iron Eyes President Bill Clinton Daniel Beltra Taila Landry Rev. Michael C. 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Rose Kris Tompkins Didier Lacaze Nick Estes Dr. Avraham Arbib Alice Bows-Larkin Ellen Brown Lucio Filipa Vibeka Mair Edie Lush Steven Swig James McGreen Amanda Marshall Beth Simone Noveck Mara Dolan Richard Jackson Albert Bartlett Patricia Gualinga Annie Leonard Anna Michalak Nate Liebenberg Hunter McIntosh Mary Lou Burton Klelia Guerrero García Mary Nichols Albert Rosti Aryn Bergman Hayley Gryc Grace Weikert Patricia Jenkinson Michael Ellick Robert Williams, Jr. David Letterman Le Goaster Roger Stearne Paul Beckwith Barbara McClintock Anna Rosling Rönnlund Joseph Roberts Konda Mason Rani Yan Yan Lynn Twist Jawad Wahabzada James Claude Maxine Fookson Bertha Grove Fred Kirschenmann Jacob Glass Barbara Dr.Sattler Kawenniiosta Jock Atsushi Funahashi Amory Lovins Aaron Huey Neil Theise Tink Tinker Hugh Hempel Dr. Hyoung Jun Kim Gerd Leonhard Ryan Panchadsaram Amy Edmondson Casey Camp Horinek James Glattfelder Bella Azbug James Gifford Mitzi Jonelle Tan David Levdansy Steve Howard Kirsti Luke Gunter Pauli Jason Flom Sean Cady Lois Gibbs Kip Anderson Rebekah Hinojosa Samira Malone Jacques Cluzaud