Peter Diamandis

Founder & Executive Chairman of the XPRIZE Foundation; Author; Named One of The World's 50 Greatest Leaders

Van Jones

CEO of REFORM Alliance, CNN host, Emmy Award-winning Producer & NY Times Best-Selling Author

Patricia Arquette

Academy Award-Winning Actress Known for "Boyhood"; Activist, Humanitarian & Author

Ian Bremmer

Political Scientist, Author, Entrepreneur & Lecturer

Daryl Hannah

Actress, Best Known for "Kill Bill" & "Splash"; Environmental Activist

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

John Browne

Former CEO of BP & Author of "The Glass Closet: Why Coming Out Is Good Business"

Xavier Sala-i-Martin

Chief Economic Advisor to the World Economic Forum

Amory Lovins

Co-Founder & Chairman Emeritus of Rocky Mountain Institute

Peter Senge

Senior Lecturer in Leadership and Sustainability at the MIT Sloan School of Management, Pioneer in the Field of Learning Organizations, and Author of The Fifth Discipline

Dan Buettner

National Geographic Writer, Renowned Explorer & Author of "Blue Zones"

William Nordhaus

Nobel Prize Winner; Sterling Professor of Economics & Professor, School of Forestry and Environmental Studies at Yale

Christiana Figueres

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

Mitt Romney

Former Governor of Massachusetts, 2012 Republican Presidential Nominee and CEO

Nash Grier

Social Media Guru & Digital Influencer

CORAL REEFS ARE DYING!

Leonardo DiCaprio

Award-Winning Actor & Environmentalist

Sheryl Crow

Grammy Award-Winning Singer-Songwriter

Arnold Schwarzenegger

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