Erin Schrode

Expert Advocate for Health, Sustainability & Environmental Education; Named "America's Green Girl" by OK Magazine

Achenyo Idachaba

Head of MitiMeth, A Nigeria-Based Environmentally Aware Production Company

Michael Shellenberger

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

Ric O'Barry

Wildlife Activist, Author & Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"

Teresa Palmer

Actress, Writer & Model

Naomi Oreskes

Geologist & Earth Science Historian

David Crane

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

Shahram Chubin

Nonresident senior associate in the Carnegie Nuclear Policy Program. Based in Geneva, Chubin’s research focuses on nonproliferation, terrorism, and Middle East security issues.

Deborah Gordon

Ecologist

David Burwell

Director of the Energy and Climate Program at the Carnegie Endowment

Laura Stachel, M.D., M.P.H

Co-Founder of WE CARE Solar, a Company that Fights to Combat High Maternal Mortality Rates in Developing Countries

Jonathan Trent

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

Mark Tercek

Former President & CEO of The Nature Conservancy

Celine Cousteau

Environmental Activist, Storyteller & Author

Céline Cousteau's Speaker Reel

Paul Dickinson

Sustainability Expert & Executive Chairman of The Carbon Disclosure Project

Joel Sartore

National Geographic Photographer & Author

Carl Pope

Senior Advisor to UN Envoy for Cities and Climate; Former CEO and Chairman of the Sierra Club

Carl Safina

Ecologist & Writer

Barton Seaver

Celebrity Chef, Author & Sustainable Food Advocate; National Geographic Fellow; Ocean Conservationist

Pavan Sukhdev

President, WWF International; Environmental Economist

Reese Halter

Forest & Ocean Defender

Peter Fusaro

Chairman & Founder, Global Change Associates

P. Simran Sethi

Award-Winning Journalist and Sustainability Expert

Calvin Mackie

Inspirational Entrepreneur & Mentor

Paul Gilding

Independent Writer and Advisor on a Sustainable Economy

Rose George

Author, A Life Removed, The Big Necessity, Ninety Percent of Everything

Emmanuelle Chriqui

Actress Known for "Entourage;" Social Advocate for Colon Cancer, Environmental Issues & Human Rights in Congo

Annabelle Gurwitch

Actress & Humorist

Ambassador Munir Akram

Former Permanent Representative to the UN from Pakistan