Aaron Huey

National Geographic Photographer & Stanford School Global Ambassador

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Aldo Kane

World Record Setting Adventurer; Fellow at the Royal Geographic Society, Author & TV Presenter

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'

Amanda Beard

Olympic Gold Medalist, Co-Founder of Beard Swim Co. & Author of New York Times Bestseller "In the Water They Can't See You Cry"

Amber Jenkins

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

Amy Dickman

Animal Conservationist & Wildlife Ecologist

Andrés Ruzo

Geothermal Scientist & Amazon Conservationist

Andy Acho

Environmental Initiatives Expert and Former Worldwide Director of Environmental Outreach and Strategy, Ford Motor Company

Annie Griffiths

Award-Winning Photographer for National Geographic

Ashley Madekwe

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

Austin Stevens

Wildlife Photographer, Filmmaker & Author Best Known for Hosting a Series of Snake Documentaries

Autumn Reeser

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

Bahari

All Female Trio

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

Ben Strahan

Hotshot Crew Wildland Firefighter, Founder of Moment Consulting LLC & Suicide Survivor

RCN Podcast Episode 38: Dancing with Fire

Benjamin Mee

Owner of Dartmoor Zoo and the author of 'We Bought A Zoo'; his book has been made into a Hollywood Blockbuster

Benny Jacobs-Schwartz

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