Aaron Hirschhorn

Co-Founder & CEO at DogVacay

Achmat Hassiem

Shark Attack Survivor, Paralympic Swimmer & Global Shark Guardian

Aditi Mayer

Keynote Speaker on Sustainability, Fashion, Environment & Social Justice

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

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

Alex Honnold

Professional Rock Climber & Star of the Academy-Award Winning Documentary "Free Solo"

Alex Schulze

Co-Founder & CEO of 4ocean; Advocate for Ocean Cleanup, Conservation & Sustainability

Conversation with Alex Schulze, CEO and Co-Founder of 4ocean

Amali Tower

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

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

Andrés Ruzo

Geothermal Scientist & Amazon Conservationist

Anthony Swift

Director of the Natural Resources Defense Council of Canda

Asha de Vos

Sri Lankan Marine Biologist, Ocean Educator & Pioneer of Blue Whale Research in the Northern Indian Ocean

Ayana Elizabeth Johnson

Marine Biologist, Conservation Strategist, Founder & CEO of Ocean Collectiv

What If We Get It Right?: Visions of Climate Futures

Barbara J. King

Biological Anthropologist & Writer

Barney Swan

Founder of ClimateForce, A Non-Profit That Aims to Remove Carbon Dioxide From The Atmosphere

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

Behati Prinsloo

Actress, Victoria's Secret Angel, Model, Activist & Animal Conservationist

Ben Jacobs

Co-Founder and COO; Whistle

Ben Moon

Photographer & Director

Benny Jacobs-Schwartz

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