Naomi Oreskes

Geologist & Earth Science Historian

Jules Kortenhorst

CEO, Rocky Mountain Institute

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

Monica Pedersen

Designer; Host on HGTV's "Designed To Sell" & "Bang For Your Buck"

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Doug Fine

Globe-Trotting Journalist, Award-Winning Climate Correspondent, Goat-Herder & Author

Anthony Moffett

Former Member of the U.S. House of Representatives

Nathaniel Stinnett

Founder & Executive Director of the Environmental Voter Project

Jamie Margolin

Climate Change Activist; Author; Founder & Co-Executive Director of Youth-Led Climate Action Group "Zero Hour"

Hindou Oumarou Ibrahim

President of the Association for Indigenous Women & Peoples of Chad (AFPAT)

Vanessa Nakate

Ugandan Climate Justice Activist; Founder of Youth for Future Africa

Sy Montgomery

Naturalist, Adventurer & Author of "The Good Good Pig" & "The Soul of an Octopus"

Secrets of the Octopus

Angel Hsu

Assistant Professor at the University of North Carolina-Chapel Hill & Founder/Director of the Data-Driven EnviroPolicy Lab

Bob Kopp

Climate Scientist, Geobiologist & Climate Policy Scholar at Rutgers University

Jan Schlichtmann

Environmental Lawyer & Author, Subject of the Film "A Civil Action"

George Elvin

Green Innovation Speaker & Author

Dyan deNapoli

Penguin Expert, TED Speaker & Award-Winning Author of "The Great Penguin Rescue"

Megan Sandel

Associate Professor of Pediatrics & Environmental Health at Boston University

Mark Tercek

Former President & CEO of The Nature Conservancy

Ruth Wilson Gilmore

Professor of Geography at City University of New York & Associate Director of the Center for Place, Culture and Politics