Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Alejandro Durán

Artist Who Collects Trash From the Oceans and Turns It Into Disquieting Works of Art

Amali Tower

Climate Displacement, Migration & Refugee Expert; Founder of Climate Refugees

Q&A: Amali Tower on Climate Migration and 'Evolution Earth'

Amber Jenkins

Applied Science Engineer, NASA’s Jet Propulsion Laboratory; Editor, NASA Climate Change Website

Andrés Ruzo

Geothermal Scientist & Amazon Conservationist

Ashley Madekwe

Actress & Personal Style Blogger ; Best known for her role on ABC's "Revenge"

Autumn Reeser

Known for her Roles in "The O.C.," "Entourage," "Necessary Roughness" & "Hawaii 5-0"

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Bea Johnson

Founder of the Zero Waste Lifestyle Movement, Blogger, Bestselling Author of Zero Waste Home

Zero Waste is not recycling more, but less | Bea Johnson | TEDxMünster

Benny Jacobs-Schwartz

Avian Field Biologist, International Bird Guide, Wildlife Photographer & Nature Enthusiast

Bernadette Beck

Founder & CEO of Kindle Coffee & 1 for 1 Foundation; Actress & Journalist Known for "Riverdale"

Bill Nussey

Founder of the Freeing Energy Project; Partner at Tech Square Ventures & Engage

Brian Hare

Co-founder of Dognition & Associate Professor of Evolutionary Anthropology at Duke University, Author of "The Genius of Dogs"

Brian Skerry

National Geographic Magazine Photographer, Specializing in Marine Wildlife & the Underwater World; Exploration & Conservation Speaker

Bruckner Chase

Endurance Ocean Athlete, Coastal Safety Expert, Educator & Film Producer

Buck Brannaman

The Horse Whisperer

Carin Bondar

Biologist, Online and TV Host, Public Speaker, Author

Carl Safina

Ecologist & Writer

Cat Warren

Professor, Journalist, and Author of "What the Dog Knows"

Chad Pregracke

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