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Akyildiz Andrew St. Ledger Elizabeth Durant Roger Martin Sean Cady David Daley Hayley Gryc Emilia Dahlin Peter Singer Nicole Vignola Aries Chung Ervin Laszlo Samir Chowdhury Jane Lubchenco Barbee Ponder Thilmeeza Hussain Joes Segal Samuel Gensaw Steve Howard Dachner Keltner, Ph.D. Robert Liberty Nikos Avionas Robin Kimmerer Sarah James Karl Beitel Dr. Sally Uren Walter Jetz Pema Wangmo Lama Monica Araya Jonathon Porritt Marianne Williamson Marco Mascarin Catherine Quaid Arthur Books Jane Goodall Jim Pepper Danny Desjarlais Miriam Turner Tom Bridgeman Shane Gero, Ph.D. Matika Wilbur David Letterman John Trudell Brenda White Bull Pete Carroll Michael Altherr Father Charles Moore Steven Toya Will Van Roessel Kate Raworth Craig Santos Perez Alannah Hurley Dyana Patamia Shaun MacGillivray Jack Scalo Vernon Masayesva Yasso Kanti Bhattachan Gro Harlem Brundtland Senator John Kerry Ellen Brown Nick Estes Bill McKibben Mari Margil Beth Simone Noveck Gordon Westfall Teodorina Lessidrenska Hanneke Faber Kevin Danaher, Ph.D. Glenn Jambol Mike Papantonio Kris Hansen Frank White Cathy Fitzgerald Toby Kiers, Ph.D. Sheldon Whitehouse Bertha Grove Osprey Oreille Lake Ludovico Einaudi Richard Walton Dylan William Frank Bibeau Chief Arvol Looking Horse Eckhart Tolle Lars Tallert Timothy Grosser Michael Mann Ekemini Udofa Dan Pingaro Doug Tomkins Sarah Cooley Isabel Hoffmann Wangari Maathai Mike Bresnan Pat McCabe Hilary Wiech Hugh Welsh Rick Siewert Ray Anderson Aron Cramer Nan Roman Tracey Moore Glenn Jampol Lisa Held Paul Krugman Brian Emerick Charles Sennott Lucas Zellers Nick Hill Shawn Yanity Robert Padavick Jessica Alba Sanna Marin Jason F. McLennan Suzan Beraza Edgar Franks Melinda Gates F.Sherwood Rowland Sophia de Sousa John Russell David Wallace-Wells Louie Schwartzberg Peter Muller Katrin Peters Jim Richards Susan Anderson Jeffrey Hollender Björn Stigson Terry Slavin Alice Slater Anne Böckler-Raettig Jim Bruen Dr. Matthew Hayek Alethea Phillips Doug Tompkins Kris Tompkins Steven Gorelick Leila Salazar-Lopez Ashok Gangadean Chad Frischmann Jane McMullen Lewis Mehl-Madrona, MD Elizabeth Burleson Dr. Robert Bullard Katherine Hamilton Gina McCarthy Agnes Pareyio Matt Brown Ozzie Gonzalez Stephen Brooks Marc Amuthi Josephy Nico Larco Megan Rose Gail Skofronick-Jackson, Ph.D llarion Merculeiff Katharine Wilkinson Ted Williams Rev. Nathan Meckley Billy Talen HH Dalai Lama Sir Kenneth Robinson Jean-Pierre Quignards Gideon Rosenblatt Chris Hayes Sandeep Dadlani Renee Gurneau Suranjini Kumar Charles Eisenstein Toby Hemenway Patrick Roche Randy Hayes Aimee Roberson Marcus Brigstocke Enric Sala Rhone Resch Paul Slovic Aldo Leopold Deanna Van Buren Miki Mistrati Aidan Potter John Page Annette von Jouanne Vangelis Joel Caldwell Mark Moody John Stednick Clara Vondrich Ben Collen Dr. Rim Belhassine-Cherif Jeff Masters Peter Kohler Amy Domini Eliot Coleman Dirk Philipsen Charlotte Lenore Michaluk Jaime Latorre Paul Raskin Lucas Benitez Arno Harris Katharine Hayhoe Dr. Svetlana Chernikova Kelly Hawke Baxter Emma Cott Tim Jackson Gary May Steve Cowan Edward Burtynski Julie Ishimwe David McNeill Anne Nuorgam Sara Gibson Marije Meerman Maria Revella Wuyi Jacobs Peter Victor Will Vilota Jen Henry Arne Naess Loa Niumeitolu Frank Morton Maxine Fookson Wade White Will MacAskill Bobbie Brown Antonio Guterres Michelle Thrush Yingling Liu Grant Murphy Amy Bowers Cordalis Moopheus Pilar Saborio Miles Richardson Olivia Bisa Gita Sen Seth Goldman Alexandra Cousteau Brene Brown Tara Cullis Alan Kay Lucy Wisdom Bea Perez Jim Manion Chase Iron Eyes Noah Matson Deniz Susar Leslie McCarthy Eban Goodstein Ed Winters Pete Richards Casey Camp Horinek Sharon Meieran Dave Hyndman Anne-Marie Slaughter Reno Keoni Franklin Matt Briggs Dr. Tami Simard Andres Montgomery  Laura Cook David Courchene Jay Coen Gilbert Stan Cox Sarah Edstrom David Bronner Rebecca Stephens Nitin Desai Paul Collier Ivey Cone Scott Anderson Manolia Charlotin Barry Heidt Tink Tinker Judith LeBlanc Eriel Deranger Grandmother Jane Meader Elizabeth Lindsey Julia Butterfly Hill Carolyn Myss Henry Fontain Jeff Civins Martha Conklin Rafael Gallo Hindou Oumarou Ibrahim Fr. Greg Boyle, S.J. Duane Elgin Steve Lambert Janine Benyrus Suzanne Apple Richard Rathbun Rand Chatterjee Farwiza Farhan Zoongi Gabowi Ozawa Kinew Ikwe Patricia Whitefoot Dan Ariely Alan Evan Anders Lendager Debra Haaland Richard Rohr Mansfield Frazier Senator Ben Cardin Thomas Linzey Eugene Linden Fred Kirschenmann Harry Greenfield Dalila Adofo Art Hunt Mayor Kasim Reed Luc Delahaye Kevin de León Robyn Beavers Baroness O'Neill Garry Bowen Franklin Lasky Jesper NygÃ¥rd Ali Meders-Knight Ian MacKenzie Deborah Kafoury Wildchoir Joanna Macy Céline Cousteau Arvind Ganesan Kevin Danaher Rebecca White Tom Hallat Simon Bernard William Mitchell Simon Sidello Patricia Gualinga Montalvo Christine Worlen, Ph.D. Heidi McCloskey Donald Pols Gerard O'Neill Duncan Stewart Baba Brinkman Gerd Leonhard Bruce Hood Phyllis Kong Jim MacNeill Ken Langone Joy Beckerman Jasmina Tesanovic Joel Makower Martin Wolf Shelley Cabrera Dave Pollard Bob King Severn Cullis-Suzuki Barbara Ford Martha Thorne David Guggenheim, Ph.D. Kate Brown John D. Liu