Barbara Boxer

Former Democratic Senator of California

Michael Shellenberger

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

Mark Tercek

Former President & CEO of The Nature Conservancy

Jonathan Trent

Former Director of Offshore Membrane Enclosures for Growing Algae; Founder of UpCycle Systems

Tim Jackson

Ecological Economist, Playwright & Director of the Centre for the Understanding of Sustainable Prosperity

Khalida Brohi

Indigenous Entrepreneur, Author, Storyteller & Women's Empowerment Speaker

Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan

Joe Hanson

Science Writer, Biologist, Video Producer & Educator

Naomi Oreskes

Geologist & Earth Science Historian

Angélique Kidjo

UNICEF Goodwill Ambassador, Singer & Songwriter

Joan Baez

Legendary Folk Musician & Human Rights Activist

Annie Griffiths

Award-Winning Photographer for National Geographic

Pat Wood

CEO of the Hunt Energy Network; Former Chairman of the Federal Energy Regulatory Commission

Christine Ervin

Former US Assistant Secretary of Energy; National Leader on Green Buildings & Clean Energy

Rebecca D. Costa

Sociobiologist & Author of The Watchman's Rattle

Joel Sartore

National Geographic Photographer & Author

Robert Swan

Polar Explorer & Environmentalist; First Man Ever to Walk Unsupported to Both Poles

David Crane

Strategic Advisor Executive at Pegasus Capital Advisors; Former President & CEO of NRG Energy, Inc.; Climate Advocate

Bill Weir

CNN Anchor, Chief Climate Correspondent, Former Host & Executive Producer of the Acclaimed CNN Original Series "The Wonder List with Bill Weir"

Life as We Know It (Can Be): Stories of People, Climate, and Hope in a Changing World

Fatih Birol

Executive Director of the International Energy Agency