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Michael C. McFarland John Robbins Norma Marchant Jace Callaway Dr. Tami Simard Whitney Gravelle Jens-Christian Stougaard Marty Kaplan Jose Luis Gutierrez-Garcia Teo Grossman Renee Ward Alvarado Guzman Guujaaw John Wick Mauricio Agon William Mitchell Glenn Jampol Robin Brentano Yuval Noah Harari Andrea Talley Charles Sennott Grandmother Marie Alice Campos Freir Carmen Perez Sara Holmes Dr. Fritjof Capra Ann Pacey Mark Anderson Roger Martin Rudy Vandamme David Montgomery Bruce Hood Franco Tulio Viteri Gualanga Michael Altherr Paul Cienfuegos James O\'Dea Tyson Yunkaporta Nousha Salimi Mitzi Jonelle Tan Prakash Lashawn James Braithwaite Douglas Worts Arthur Books Martin Figueroa Inga Saffron Nick Hill Jeordy Clarke Margaret Plews-Ogan, M.D. James Burch David W. Orr Laina Raveendran Greene Manu Eveno Micheal O' Cinneide Patrick Roche Tom Wagner Leigh Kuwanwisiwma John McAslan Jen Henry Kirk Titus Rajendra Pachauri Killian Noe Harriet Tregoning Judy Sheridan-Gonzalez Nicole Stott Mary Gentile Jonathan Rose David Attenborough Kristian Jensen Jerome Osentowski Rebecca Stephens Luc Delahaye John von Schlagell Stacy Mitchell Glenn Jambol Dave Lissy Monica Araya David Daley Alan Knight Jim Manion Juliet Schor Steve Palumbi Robert Kennedy, Jr. John Woo Udo Gattenlohner Gattenlohner King Abdul Aziz Dwayne Johnson Rev. Michael Cahana Richard Renaldi Carolyn Myss Elisabeth Rosner Ana Pérez-Neira Franklin Hill Saru Jayaraman Karl-Henrick Robert Daniel Magallon Aldo Leopold Greg Horn  Janene Yazzie Cynthia Brix John Warner Terry Slavin Audrey Choi JC Riggs Richard Walton Robert Reich Arno Harris Stephanie Moore Robert Bullard Nick Offerman Clayton Thomas-Mueller Tora Fisher Lola Fatoyinbo-Agueh, Ph.D Dr. Robert Bullard Elder Dr. David Courchene Mark Lee Dolores Huerta Kevin Anderson Jeremy Leggett Tom Djokovich Larry Parish Jacqueline Patterson Dr. Suzanne Simard Shaoshan Liu Eli Spevak Eric Dishman Kyle Niedfeldt Zenz Judith Orloff MD Phillippe Cousteau, Jr. Deniz Susar Olivia Bisa Clarissa Klein Noelene Nabulivou David McNeill Fred L. Miller Matthew Radcliff Faith Kearns Farwiza Farhan Herbert Huppert Zukiswa White White Juan Isuiza Pnia Jacob Glass Bill Ford Geeta Aiyer Lucy Walker Alexandra Cousteau Henry Fontain Governor Martin O'Malley Dr. Henrietta Mann Elinor Ostrom Padmasree Warrior Eric Corey Freed Bill Moyers Ben Jealous Kevin de León Aja Conrad William J. Hawkins III Brooke Carter Steve Mouzon Edward Burtynski Jessica Vaughan Max Wilbert Ac Tah Stella Young Josh Willis Don Alejandro Alejandro rez Oxlaj Atsushi Funahashi Danny Dorling Satish Kumar Kate Dineen Jessica Morey Dennis Wilde Jeff Civins Garth Lenz Matt Brown BJ Miller Brad Allgood Lance Davis Laura Weidman- Powers Phyllis Young Randy Woodley Timothy Burroughs Van Jones John Médaille Leila Salazar-López Kevin McBride Judy Backhouse Kate Brown Marcus Brigstocke Mary Evelyn Tucker Alice Munyua Gerard O'Neill Edward Burtynsky Anna Rosling Rönnlund Erin Matariki Carr Adair Turner Amy Goodman Sally Younger Lori Martin Rabbi Ariel Stone Lilly Tomlin Christophe Mali David Gyasi Robert Dr. Costanza Mary Anderson Lars Petersson Jason F. McLennan Robert Eccles Tim Flannery Ellen Brown George Serafeim Paul Collier Courtney Moran