Matt Damon

Actor, Screenwriter & Producer; Co-Founder of Water.org; Expert Advocate on Global Water & Sanitation Crisis

Arnold Schwarzenegger

Actor, Producer, Director, Writer; California’s 38th Governor; Host of "Celebrity Apprentice"

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Jamie Oliver

Celebrity Chef, Bestselling Author & TV Personality

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Bono

Lead Singer of U2, Activist & Co-Founder of DATA (Debt, AIDS, Trade, Africa)

Cate Blanchett

Academy Award-Winning Actress Known for "Elizabeth" & "The Aviator;" Ambassador for the Australian Conservation Foundation

Cate Blanchett on acting, the role of women and her commitment to refugees

Maroon 5

American Pop/Rock Band Known for the Hit Singles, "Maps," "Love Somebody" & "Misery"

Brad Pitt

Actor, Producer, Philanthropist & Environmental Activist

Gisele Bundchen

Supermodel, Philanthropist & United Nations Environment Program Goodwill Ambassador

Pierce Brosnan

Actor, Producer & Activist; Best Known for His Role as James Bond

Al Gore

45th Vice President of the United States, Nobel Peace Laureate & Bestselling Author

Al Gore at the Opening of the #COP27 World Leaders Summit

Jake Gyllenhaal

Academy Award-Nominated & BAFTA Award-winning Actor; Environmental Activist

Christiana Figueres

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

Don Cheadle

Actor, Activist & Author; Known for "Iron Man 2" & "Hotel Rwanda"

Shailene Woodley

Actress & Environmental Activist

Robert Redford

Actor, Director, Producer, Environmentalist & Founder of the Sundance Film Festival

Livia Firth

Co-Founder & Creative Director of Eco-Age

Edward Norton

Award Winning Actor & Filmmaker

Darin Olien

Co-Host of Netflix "Down To Earth" with Zac Efron, Best-Selling; Original Formulator of "Shakeology;" Healthy Living & Superfoods Expert