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Greg Boyle Joshua Powell Tom Steyer Jason Mraz Nancy Kraushaar Hunter McIntosh Reniera O'Donnell LeRoy Patton Andrew Zolli Larry Fink Jeff Seabright Amish Jha, PhD Steve Punt Jason Flom Sofia Joanes Luc Bas Lizzy Clark Paolo Frankl Janice Taylor John Page Leila Salazar-López Hal Wallils Guy Jones Dr. John Cross Eric Steenstra Kate Aronoff Hanneke Faber Loretta Napoleoni Ian Robertson Kibb Kelsey Juliana Eugene Linden Helen Slottje Anthony Zolezzi Ervin Laszlo Rev. Jon Aney Joel Caldwell Barbara Finamore Aimee Roberson Rebecca Thomas Jeannette Armstrong Naelyn Pike Brian Libby Jason Box Jeff Ditzenberger Andrea Huggins Marçal Guajajara David Helvarg Melanie Billings-Yun Billings-Yun Merlin Sheldrake Brandon Mazur Michael Pawlyn Daniela Fernandez Jacques Cluzaud Dr. Sally Uren Gita Sen Norman Patrick Brown Sarah Severn Konstantin Kakaes Peter Hildebrand Tamara Kennedy-Hill Keith Harris President Bill Clinton Kashyar Darvich Douglas McMeekin Donald Blair Lois Gibbs Sir Partha DasGupta Tim Jackson Julie Ishimwe Sean Robbins Dave Dahl Grace Eagle Reed Armel Azihar Paul Slovic Peter Russell Céline Cousteau Robin Brentano Gar Alperovitz Melina Laboucan Massimo Dr. Lynne Teather Bill Clinton Juvenal Alvarez Chris Charles, Ph.D. David Miliband Ron Sims Kim Tekwitha Spencer Sebastian Copeland Jane Lubchenco Patricia Whitefoot Louie Schwartzberg Rev. Dr. David Alexander Kawenniiosta Jock David Katz Rory Sutherland Jacob Russell Gregg Braden Pippa Norris Naomi Oreskes Sarah James Milka Chepkorir Judy Kipenda Erin Matariki Carr Isaac Kinney Jocelyn Bleriot Valéry Lucas-Leclin David Rothenberg Tara Cullis Jason Swartwood Kim Schukla Agnes Pareyio Hrabba Gunnarsdottir Mark Moody Steven Laureys Mary Donnell Michael Liebreich Mary Lyons Renee Ward Edie Lush Isabel Rimanoczy Célia Xakriabá Jane Goodall llarion Merculeiff Brianna Fruean Kevin Hyland Sobunfo Some Kim Stanley Robinson Monica Chuji Gualinga Amory Lovins Barbara Campbell Cathy Fitzgerald Norma Marchant Simon Sidello Andrew Dudley Jay Coen Gilbert Carrie Halperi Kirby Dyess Meror Krayenhoff Bradley Angel Wilson Justin Pierre-Francios Thaler Joel Makower Fernando Holguin Robert Bullard Adrian Grenier Guy Champniss Matt Morton Kip Ward Mary Evelyn Tucker Renee Lertzman Mike Bresnan Jim MacNeill Chris Wegner Douglas Worts Lindsay Hooper Teranne SpottedBear Kenny Ausubel Maxine Fookson Rick Rybeck Dineen O'Rourke Supriya Verma Sarah Jayne Blakemore Kirk Titus Rebecca Marmot Katherine Hamilton Laura Day Rivero Kelly Meyer Alan Knight Lucimara Patté Elisabetta Baronio Taylor Brorby Rosa Canalos Globa Ushigua Joseph Stiglitz Leaf Van Boven Tyson Yunkaporta Richard Harding Johanna Bresnan Robyn Beavers Inga Saffron John Ossowski Maike Acosta Larry Parish Matt Flannery Ger Moynihan Hank Dittmar Patricia Giualinga Marc Amuthi Josephy David Guggenheim Cara Romero Dr. Janice Knox Jennifer Baichwal Jojo Mehta JC Riggs Stan Senner Karen Ross Mahesh Pratap Singh Peter Dr. Brown Linda Dr. Rudolph Father Charles Moore Cindy Blackstock Solomon Hsiang Dan Haggerty Andrea Talley Jasmina Tesanovic Sha Zukang Toby Hemenway Maryann Hedda M. Cochise Anderson Alan Kay Alethea Phillips Karl-Henrick Robert Nick Estes Chris Linde Richard White Fred Kirschenmann Michael Montoya Charolotte Relyea Saru Jayaraman Toby Kiers, Ph.D. Margaret Kwateng Heather Milton-Lightening Anne Biklé Ben Weiner Alessia Magliarditi Dennis Dimick Rita Atuti Jessica Flannery Robert Sawyer Anja Taylor Julia Butterfly Hill Joey Santore Jonathan F. P. Rose Grandmother Katherine Whitecloud Prince Charles Sanne Knudsen Supreme Court Judge Willy Mutunga Jeremy Leggett Clem Ogilby Tom Kelly Dr. Renee Lertzman