Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Olivia Munn

Television & Film Actress Known for "The Newsroom," "X-Men: Apocalypse" & "Magic Mike"; Breast Cancer Survivor & Women's Rights Advocate

Olivia Munn Opens Up About Her "Terrifying" Breast Cancer Diagnosis

Edward Norton

Academy Award-Winning Actor & Filmmaker Known for "Birdman," "Glass Onion" & "A Complete Unknown"; Environmental Advocate & Social Entrepreneur

Al Gore

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

Sir Richard Branson

Businessman & Founder of Virgin Group

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Alec Baldwin

Emmy Award-Winning Broadway, Film & TV Actor

Nico Rosberg

Formula 1 World Champion, Sustainability Entrepreneur & CEO of Rosberg X Racing Raising Awareness for Climate Change and Adoption of EVs

Matt Damon

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

Harrison Ford

Award-Winning Actor Known for "Star Wars," "Indiana Jones" & "Shrinking"

Harrison Ford on Actors He Was Intimidated By

Bono

Lead Singer of U2, Activist & Co-Founder of DATA (Debt, AIDS, Trade, Africa), (RED) and The ONE Campaign

Bono - "TODAY Show" interview

Jason Momoa

Actor, Director & Environmental Activist; Known for "Game of Thrones" & "Aquaman"

Jessica Alba

Actress, Entrepreneur, Founder & Former Chief Creative Officer of The Honest Company; Co-Host of "Honest Renovations" & Bestselling Author of "The Honest Life"

Alanis Morissette

Mental Health & Eating Disorder Advocate; Grammy-Winning Alt-Rock Angst Singer-Songwriter; Known for "You Oughta Know" & "Ironic"

Alanis Morissette Talks 'Jagged Little Pill' and Joan Jett

Rose Marcario

Founding Partner at ReGen Ventures; Former President & CEO of Patagonia; Environmental Activist

Stella McCartney

Fashion Designer, Founder, Stella McCartney

Peter Gabriel

Singer-Songwriter & Musician; Humanitarian; Founder of Witness.org, Co-Founder of WOMAD & The Elders

James Cameron

Chair of Crown Agents; Former Chairman of Overseas Development Institute

Pierce Brosnan

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

Jake Gyllenhaal

Award-Winning Actor Known for "Brokeback Mountain," "The Guilty" & "Presumed Innocent"; Environmental Advocate

Jake Gyllenhaal Gets a Leg Cramp While Eating Spicy Wings | Hot Ones