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Dr. Barbara Campbell Per Klevnäs Andrew Revkin Shiva Rea Jessica House Jensine Larsen Adam Palmer Adam Davis Arno Hazecamp, PhD Joey Santore Lindsay Hooper Chris Charles, Ph.D. Joni Lane Alvarado Guzman Jay Walljasper Gideon Rosenblatt Kenneth Johnson Suranjini Kumar Chris Goldstandt Quynhanh Do Alice Slater Judy Sheridan-Gonzalez Dr. Sabina Ijaz Hunter Lovins Helen Caldicott Adrian Dix Chris Jordan Edward Burtynsky Matt Morton Tink Tinker Christina Tunnah Rosemary Olsen Lily Yeh David Ritter Maegan Prentice Steve Palumbi Kathy Broere Alixa Garcia Nitin Desai Jane Lubchenko, Ph.D. Betty Mould Iddrisu José María Figueres Pedro Cruz Gretchen Kafoury Pierre Paslier Greg Spencer Joseph Stiglitz Steve Walker Ross Gelbspan Carolyn Fairless Dr. Jim Kim William Rees Marina Tolou-Shams, Ph.D. Jeff Civins Indy Siewert Rulen Tangen Jennifer Francis David Suzuki Norman Patrick Brown Deepa Senapath Greg "Biskakone" Johnson Keith Harris Ozzie Gonzalez Hugh Welsh Anthony Leiserowitz John Stednick Simon Bernard Timothy Grosser Matt Rogers Sandeep Dadlani Thomas DiNapoli Vangelis Tim Jackson Sir Kenneth Robinson Geraldine Patrick Encina Janice Taylor Richard Heinberg Ann Pacey Elisabeth Rosner Terry Gardiner Daniel Beltra Judith Rodin Raymond Loo Ellen MacArthur Michael Spence John Delaney Betsy Otto Karin Weaver William Winkel Reed Maxwel Billy Jean King Russell Gold Segunda Velasquez Richard Walton Billy Talen Paul Polman Maude Barlow Mary Christina Wood John Russell Karen Litfin George Crombie Jamal Rahman Huey Johnson Lucy Walker Patrisse Cullors Tom Sanzillo Nancy Kraushaar Mogens Lykketoft Greg Mortenson Eban Goodstein J.P. Harpignies Tracey Moore Cosmas Zavazava Jeff Seabright Dara O'Rourke Henry Fontain Eduarda Zoghbi Tom Hopkins Brad Avakian Stephen Dinan Oscar Soria Doug Fine Chris Hayes Dineen O'Rourke Brian Libby Dan Pingaro Iasabelle Mashtola Monique Wilsom Sanne Knudsen Ishanvi Shetty Mike Mack Antonia Juhasz Dr. Silvia Secchi Mandy Creighton Ian MacKenzie Aaron Hurst Kevin McBride Nathan Meckley Tuy Sereivathana Laura Weidman- Powers Grace Di Benedetto Alicia Cahuiya Paul Beckwith Carrie Halperin Tony Schwartz Jim Manion Dr. Rebecca Boudreaux Didier Lacaze Larry Parish Rachel Doughty Kim Schukla Ann Livingston Joanne Macy Wuyi Jacobs Kip Anderson Vernon Masayesva Andres Montgomery Polly Higgins Taylor Brorby Hioki Doryu JC Riggs Ethan Kay Dr. Amiera Sawas Segun Adefilia Steve Strongwater, MD Catherine Quaid Jane Elder Sharif Abdullah Michael Davis Jason F. McLennan Ekemini Udofa James McGreen Donald Morse Craig Leeson Tobias Kaufmann Eli Spevak Timothy Burroughs Ted Leonard Kiana Frank Mary Richardson Kumi Naidoo Grandmother Beatrice Loa Niumeitolu Ac Tah Don Mazziotti Josh Tapen Yingling Liu Steve Howard Michelle Long Suzanne Simard Gillian Tett Tamra Lotz Richard Wilkinson Lynn Twist Angela Amanakwa Kaxuyana Michael Kobori r. Rob Silberstein Danielle L. McGuire President Obama Joss Tantram Shaun MacGillivray Roz Savage Claude Ouimet Mythili Menon John Oliver Karl-Henrick Robert Ethan Schaffer Clara Rowe Kevin Danaher Mary Lyons António Guterres Katrin Boehning-Gaese Alexandria Villaseñor Mark Schuets Ralf Fuecks Anna Lee Cynthia Brix Bob King Yasso Kanti Bhattachan