Robert Irwin

Wildlife & Nature Conservationist, Photographer, Author, and TV Personality; Son of Steve Irwin, Owner of Australia Zoo

Robert Irwin Reveals His Most Feared Animal! | The Cheap Seats

Ayana Elizabeth Johnson

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

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

Sylvia Earle

Explorer-in-Residence at National Geographic & Oceanographer; Former Chief Scientist of the NOAA

Alex Schulze

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

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

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Howard G. Buffett

Businessman, Philanthropist & Elder Son of Warren Buffet

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Danny Trejo

Actor, Author, Activist & Restaurateur; Recovery & Intervention Counselor for Troubled Youth

Sophia Bush

Actress, Humanitarian & Author

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

William McDonough

Renowned Architectural Designer, Advisor & Co-Author of "Cradle to Cradle + The Upcycle"

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Adrian Grenier

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

Moby

Musician, DJ, Photographer

Sylvia Acevedo

Engineer, Rocket Scientist & Technology Leader; Inspirational Speaker; Corporate Director at Qualcomm; Former CEO of Girl Scouts USA

Robert Ballard

Renowned Ocean Explorer & Scientist

Tim Gunn

Fashion Icon, Former Co-Host & Mentor of "Project Runway"

Kevin Nealon

Former Cast Member of 'Saturday Night Live'; Co-Star on Showtime's "Weeds"

Jean Oelwang

President & Trustee for Virgin Unite and Senior Partner at the B Team