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Sugata Ray Brett Ken Cairn llarion Merculieff Danny Desjarlais Callum Thomson Aron Cramer Fernando Holguin Doug Allan Arjuna Ardagh Charlie Koven Arlene Blackdeer Graham Townsley Brittany Stalworth Jason Flom Lori Martin Mark SubbaRao Akaya Windwood Madeline Janis Jeff Speck Bob Beisner Amara Ifeji Daniel Magallon Jeannette Armstrong Jeff Ditzenberger Robert Padavick Will Steffen Dr. Avraham Arbib Molly Crabapple Roger Downs Diego Zaverucha Chris Hayes Anne Böckler-Raettig Mark Plotkin Winona LaDuke Vibeka Mair Eric Sanderson Kiana Frank Steven Laureys Judy Kipenda Paul Steinbroner Hrabba Gunnarsdottir David Sparks Mai’a Cross Ian Kibbe John Doerr Michael Stephens Bob Stacey Ken Langone Sam Adams Eckart Tolle Lucy Mulenke Martha Nalweyiso Elijah Furquan Julie Olson Duane Elgin David Korten Jonathan Mause Jon Young Dr. Tami Simard Claire Welty Ben Laffin David Attenborough Dr. Akira Miyawaki John Sterman David Troy Stephen Watson Lucy Winkett Ivan Oransky Rick Rybeck Stanley Kabala Sarah James Robert Adams Isidro Baldenegro Greg MacGillivray Jacqueline Patterson Phaedra Ellis-Lamkins Maurice Strong Nichole Maher Ethan Seltzer Janice Taylor Gillian Millar Dame Athene Donald Carol Sanford Amy Peradotta Martijn Lopes Cardozo Karen Litfin John Morrison Joss Trantram Roger Martin David McConville Richard Walton Lord Nicholas Stern Molly Wood Ray Lisa Rucker Dirk Forrister Lucio Filipa James McGreen Segunda Velasquez Professor Cornel Pewewardy Mario Leone, Jr, Marco Mascarin William McDonough Oscar Soria Laura Turner Seydel Matt Brown Dr. Hyoung Jun Kim Bill Moyers Jessica Morey Tom Wagner Sammy Gensaw III Rick Steves Karen Doyle Grossman Stanislaw Michel Ramon Rameriz Kate Dineen Katherine Wilkinson Dr. Rim Belhassine-Cherif Joey Perez Josh Drury Boyan Slat Gil Friend David Wallace-Wells Lee Smolin Sharon Lavigne Christina Tunnah Michael Ellick Yasso Kanti Bhattachan Alexis Krivkovich Lyla June Johnson Rachel Carson Matika Wilbur Ali Meders-Knight Candida Brady Sônia Bone Guajajara Ekemini Udofa Peter Hildebrand Rudy Vandamme Inga Saffron Marie Owens Thomsen Lance Davis Toby Hemenway David Ritter Kyle Thiermann Jonathan Rowson Stefan Rahmstorf Brenda White Bull Desari Strader Nick Hill Le Goaster Dan Wieden Lidy Nacpil Kerri Norris Elinor Ostrom Sean Patrick Farrell Fantastic Negrito Sharon Meieran Kristian Jensen Ted Turner Deborah Kafoury Katheryn Fernholz Matt Briggs Bill Ford Chris Wegner Chris Anderson Jan Schakowsky Losang Monlam Sara Holmes David Grayson Lisa Kristine Zukiswa White Per Klevnäs Dave Hyndman Paul Rice Dr. Steven Chu Loa Niumeitolu William J. Hawkins III Michael Elliot Adam Lowry Matt Flannery Paul Gallay Mitzi Jonelle Tan Leo Rhodes Dr Cathy Fitzgerald Gordan Tootootsis Kathryn Mersmann Cat Brooks Claire Fyson Grace Di Benedetto Grandmother Katherine Whitecloud Dave Seber Ron Sims Eriel Tchekwie Deranger Rory Sutherland Biko Misabiko Steven Gorelick Donald Pols Kelly Matheson Sam Pizzigati Parag Khanna Joel Beauvais Robyn Beavers Marta Braun Rosemary Randall Jonathan Rose Jonathan F.P. Rose Sarah Crowell Konda Mason Mary Richardson Nicole Vignola Ivey Cone Dr Yemisi Akinbobola Robert Dr.Bullard Molly Brown Tom Goldtooth Richard Rathbun Anthony Clarke Lars Tallert Hindou Oumarou Ibrahim Danat Tekie Dr. Blair Stonechild Chris Rapley Omodolapo Barakat Babtunde Cora Morgan Jacob Russell Carmen Perez David Gruber James O''Dea Frank White Pablo Costa Erold Naomab John Kaiman Dr. Svetlana Chernikova Sheldon Whitehouse Dave Couchene Elizabeth Paige Bre Pettis Josh Humphreys Elder Dr. Dave Courchene, Jr Shannon McComb Lisa Jackson Teodorina Lessidrenska Emmanuel Manasseh Manasseh Timothy Nuvangyaoma Kevin de León Courtney Moran