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Wilson Charlie Rose Nati Greene Sean Patrick Farrell Justin Winters Sharon Meieran Bertha Grove Hal Wallils Joshua Powell Henry Fontain Killian Noe Jens-Christian Stougaard Doug Tompkins Carl Safina Christine Schuler Deschryve Dianne Griffen Yulia Shlychkova George Bandy Deanna Van Buren Sergio Palleroni Deborah Kafoury David Letterman David Holmes Jason Box Jeremy Rifkin Taila Landry Richard Pancost Hunter Lovins Kirsti Luke Clara Rowe Renee Gurneau Chris Coulter Donald Berwick Dr. Marcus Eriksen Kevin Anderson Kelly Hawke Baxter Peter Victor Zaria Romero Steve Palumbi Jessica Flannery Mario Leone, Jr, Jozileia Kaingang David Stevens Andrew St. Ledger Heru Prasetyo Dr. Steven Chu Eliza Gilkyson Zenobia Jeffries Warfield Suzan Beraza Mark Gregory Corrina Gould Enric Sala Tony Schwartz Elizabeth Paige Melina Laboucan Massimo Amy Bowers Cordalis David Okimoto PennElys Droz John Todd Harry Greenfield Dan Ackerson Taggart Siegel Antonio Guterres Stephen Lamoreaux Rebekah Hinojosa Dr. Lewis Mehl-Madrona Miki Mistrati Aimee Roberson Lucy Mulenke Dr. Susan Pineda Mercado John Gray Clara Vondrich Adebayo Okeowo Casey Camp-Horinek Carlee Loft Adam Davis Winona LaDuke Megan Kemple Trevor Tejeda-Gervais Mark SubbaRao Denis Duverne Steve Cowan Alannah Hurley Muath AlRumayh Berta Cumez Josh Tapen Grace Eagle Reed Lucy Wisdom Tevyn East Doug Fine Terisa Siagatonu Naomi Cole Szuzon Wong Gerd Leonhard Audrey Hope Nuno Soares Doug Miller Kenneth Johnson Amisha Ghadiali ​Laurene Allen Rosa Canalos Chad Frischmann Ron Sims Fernando Holguin Carla Frisch President Bill Clinton Maria Mendiluce Martin Figueroa Anthony Clarke Reggie Watts Faith Lumonya James Pritchett Sophie Kivlehan Allison Leidner Martha Kantor Gar Alperovitz Sequoyah Trueblood Greg Horn Hugh Walsh Satish Kumar Kmele Foster David Guggenheim, Ph.D. Gabriella Braun Rick Siewert Hrabba Gunnarsdottir Kirk Titus Dr. Karla J. Williamson Joey Perez Rebecca Solnit Victoria Barrett Chief Oren Lyons Jay Walljasper Sally Ranney Mary Lyons Stuart Hart Alexia Leclercq Carolyn Myss Rachel Notley Natalie Ramsland Simon Spear Glenn Jambol Kaiulani Lee Dave Meslin Dave Samson Sanna Marin Kathryn Lancaster Raymond Kethledge Ashley Garado Angelique Cofield Janeen Comenote Maria Revella Anja Taylor David McNeill Katherine Schwarzenegger Pratt Michael Montoya Steve Lambert Fr. Greg Boyle, S.J. Grandmother Jane Meader John Elkington Nafeez Ahmed Randall Arauz Anne Wheldon Stephen Hawking Nigel Topping Dan Ryan Lynn Doan Eric Nay Bruce Hood Aditi Sen Felle VEGA Joey Santore Peggy Moretti Clayton Thomas-Mueller Kathryn Mersmann Robyn Beavers Sharon Lerner Stephen Watson Ervin Laszlo Tom 'Putuparri' Lawford Shaun MacGillivray Tom Bridgeman Adrian Grenier Dave Hyndman Oscar Soria Michael Ellick Dusty Gedge Janaia Donaldson Nikita Zimov David Suzuki Elizabeth Durant Yingling Liu Lewis Mehl-Madrona, MD Tai Pelli David Pilat Alessia Magliarditi Jim Yong Kim Lisa Held Monica Oudang Bernie Krause Jocelyn Bleriot Dr. Cosmas Luckyson Zavazava Skander Spies Clayton Christensen Sandra Postel Ted Williams Roishetta Sibley Jodi Monelle Wilson Justin Andrew Weil, MD Aurora Conley Triet Dang Silvia Marcon Greg Cajete Helen Caldicott Joss Trantram Dominque Conseil Manon Grivotet Marcus Garcia Wilma Mankiller David Bronner Paul Maguire Graham Townsley James Geary Kumi Naidoo Nitin Desai Gregory Greene Paul Gilding Ozzie Gonzalez Larry Littlebird Raz Mason Bob Ford Akaya Windwood Tuy Sereivathana Eric Sanderson Joes Segal Pierre-Francios Thaler Dr. Stefan Leutenegger Karen Washington Washington Eduarda Zoghbi Glenn Jampol Anna Michalak Anum Sheikh Nik Nowak Auden Schendler Marty Kaplan Randy Hayes Dr. Low Hong Yee Steve Knechtel