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Miller Lyla June Johnson Larry Merculieff Candida Brady Mayan elder Flordemayo Bob Schaeffer N. Scott Momaday Chris Linde Amanda Gorman Jeffrey Webter Billy Talen Anne Böckler-Raettig Linda Black Elk Frank Morton Aileen Sullivan Dr. Matthew Hayek L. Frank Manriquez Garth Lenz Otto Scharmer Jim Yong Kim Mychal Tetteh Christoph Stückelberger Timothy Nuvangyaoma Dumonde Slam Dunkley Sean Cruz Chuck Fox John Elkington Szuzon Wong Adam Davis Sobunfo Some Beth Simone Noveck Monique Verdin Catherine MacKinnon Alejandro Aravena Ellen MacArthur David Attenborough Gretchen Bueermann Mary Mazzoni Ron Corn Jr.'s Peter Salmon LaDonna Brave Bull Allard Michael Mehaffy Vernon Masayesva Lord Nicholas Stern Mark Bachman Naomi Cole Mitchell Baalman Dr. Sabina Ijaz Richard Hilt Janet Ranganathan Pierre Paslier Thierry Vrain Ben Cook Eliot Coleman Edie Lush Sir David King Jason Hamilton Dr. Jonathan Foley Wilma Mankiller Lynn Doan Carol Craig Natalia Shakhova Randall Arauz Felle VEGA Jonathan Rose Dan Pallotta Carly Vynne Jeff Seabright Wangari Maathai Christiana Figueres Arthur Brooks Aaron Hurst Matthew Kiernan Joanna Macy Guy Dauncey Eli Spevak Lizzy Clark Elizabeth Durant Dr. Svetlana Chernikova Saru Jayaraman Nikita Zimov Grandmother Agnes Baker Pilgrim Samantha Skenandore Rachel Notley David W. Orr Skander Spies Robert Williams, Jr. Nafeez Ahmed Michael Pollan Ivan Duque Rani Yan Yan Sean Sherman Dr. Low Hong Yee Dr. Evan Adams Manabe Syukuro Jon Gertner Grandmother Jane Meader Naima Penniman Paul Sorensen Robin Kimmerer Don Cheadle Anthony Leiserowitz Eckart Tolle Jessica Rosenworcel Kat Becker Larry Fink Mogens Lykketoft Sai Selvarajan Herman Van Rompuy Jesper NygÃ¥rd Fernando Holguin Elizabeth Baker Peggy Moretti Dr. Amiera Sawas Michael Cahana Jeordy Clarke Peter Russell Mara Dolan Yasso Kanti Bhattachan Cindy Venho Robert Ballard Gary May David Wallace-Wells Sean Patrick Farrell Annemarie Colbin Steve Murrells David Courchene John Rausch Ponder Jaroslaw Mary Gentile Jeff Masters Mya-Rose Craig Aby Henry Steve Walker Shaunna Morgan Siegers Mark Gregory Lisa Held Alan Cooperman Marta Braun Valentin Lopez Nate Wagner Janeen Comenote Dr. James Hansen Pablo Costa Hilario Saant Christoph Lueneburger Eleanor Ellen John Stednick Mustafa Santiago Ali Joseph Roberts Gordon Westfall Douglas Worts Charlotte Mike Klinski Losang Monlam Alec Gorynski James Pritchett David Korten Huey Johnson Julián Castro Bill Ballantine Nate Liebenberg Arlene Blackdeer Shannon McComb Bruce Steele Rebecca Stephens Jennifer Morgan Terrell Iron Shell Katherine Schwarzenegger Pratt Robin Brentano John Sterman Lucio Filipa Célia Xakriabá Terry Gips Kumi Naidoo Chris Anderson Mansfield Frazier J.P. Harpignies Toby Hemenway Omodolapo Barakat Babtunde Heru Prasetyo Anna Michalak Harriet Tregoning Aoife Kelleher Rachel Carson Grandmother Beatrice Roger Martin Rev. Tara Wilkens Nick Jankel Tania Pulido John Kaiman Elizabeth Lindsey Anthony Zolezzi Jaime Latorre Sonaar Luthra Mary Christina Wood Tim Doyle F.Sherwood Rowland Jack Scalo Alice Munyua Andrew Dudley Andrea Kealoha Brad Allgood Amanda Marshall Kevin Danaher, Ph.D. Karl Grossman Sammy Gensaw III Tomas Lamanauskas, Elija Furquan Frances Frei Judith LeBlanc Lucy Wisdom Killian Noe Duncan Stewart Sigourney Weaver Jason Swartwood Grace Malie Fantastic Negrito Prakash Lashawn Antonia Juhasz Laura Golino de Lovato Cynthia Barnett Katrin Peters Farhana Yamin Chris Jordan Christine Dorchak Megan Rose Sam Adams Jan Schakowsky Jules Kortenhorst Lisa Schroeder Naill Dunne Tara Wilkins John Ossowski Danielle Greendeer Randy Paynter Dave Gardner Jay Walljasper Clayton Thomas-Mueller Dan Pingaro Hugh Welsh Joel Beauvais Anthony Clarke Dr. Tami Simard Karen Litfin Carolyn Myss