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Michael C. McFarland Anne Nuorgam Josh Humphreys Rachel Atcheson Wendy Tomkins Matt Brown Dr. Rim Belhassine-Cherif Robert Kennedy, Jr. Danielle Greendeer Steven Toya Christine Worlen, Ph.D. David Orr Greg Cajete Tom Sanzillo Mary Mazzoni Brenda Lawrence Ruben Flores Dineen O'Rourke Pennie Opal Plant Stephanie Soechtig Ahimsa Sumchai Rachel Kyte Darrel Moellendorf Manari Ushigua J.P. Harpignies Amanda Frye Fred Kirschenmann Martha Conklin Deirdre Kent Katherine Schwarzenegger Pratt Dr. Robin Wall Kimmerer Bill Nye David Gyasi Suzanne Hayden Grandmother Katherine Whitecloud Dr. Fritjof Capra John Sterman Mark Anderson Mayor Kasim Reed Robin Kimmerer Rachel Notley Taylor Brorby Ludovico Einaudi Elinor Ostrom Paul Watson Dr. James Hansen Nina Simons Luc Bas Patricia Whitefoot David Bronner Björn Stigson Ishanvi Shetty John Russell Gillian Millar Barbara Ford Steve Connell Ao Kong Ethan Seltzer Mara Dolan Rob Bennett Jacques Perrin Maria Leusa Kaba Munduruku John Page Liz Dee Barbara Garson Dr. Steven Chu Miki Mistrati Angela Garcia David Daley Jawad Wahabzada Richard Heinberg Kutner Rob Larry Littlebird Teranne SpottedBear ​Laurene Allen Tanya Streeter Angaangaq Angakkorsuaq Brock Dolman John Robbins Alan Leshner Timothy Nuvangyaoma Matt Damon John Cruden Ronda Carnegie Tobias Kaufmann Gary Eilerts Elizabeth Fraser Stacy Mitchell Kaiulani Lee Nati Greene Dusty Gedge Lorie Wigle Vandana Shiva Danielle L. McGuire Irving Wladawsky-Berger, Ph.D. Michael Skelton Gary Lawrence Jon Bougher Alvarado Guzman RAZZ Matthew Radcliff Pamela Kingfisher Fred L. Miller JC Riggs Dr. Renee Lertzman Gordan Tootootsis Melina Laboucan Massimo Milka Chepkorir Dame Athene Donald Edgar Winters Sara Carpenter Alejandro Arevena Seth Goldman Megan Kemple Michael Kobori Killian Noe Sir Partha DasGupta Jay Stuart Lindsey McCoy Charlotte Lenore Michaluk David Stevens Peter Hildebrand  Laura Cook Peter Victor Wallace Black Elk Dan Wieden Patricia Gualinga Montalvo Geoffrey West Nafeez Ahmed Randall Arauz Lynn Margulis Jo Banner Tom 'Putuparri' Lawford Ken Blanchard Meror Krayenhoff Maxine Fookson Julian Hilton-Johnson William Keepin Claire Kaufmann Matt Briggs Kirsti Luke Will Steger John Gray Patrick Roche Bre Pettis Gifty Pearl Abenaab Mary Edmeades Chris Jordan Dr. David Suzuki Jane Mayer Duncan Stewart Kurt Hoelting Rachel Doughty Molly Wood Tokyo Rose Band Larry O'Connor Gretchen Biermann Emanuelle David Uyunkar Domingo Peas Alixa Garcia