Steve Goreham

Engineer, Author & Authority on Environmental and Energy Issues

John Passacantando

Former Executive Director of Greenpeace USA

Chad Pregracke

Founder of Living Lands & Waters, CNN's Hero of the Year for 2013, Environmental Speaker & Bestselling Author

Silver Donald Cameron

Award-winning Writer, Environmentalist, Sailor, Journalist and Author

Andrew Hoffman

Holcim (US) Professor of Sustainable Enterprise at the University of Michigan

Michael Lombardi

Diving Scientist, Technologist & Environmentalist

Rhode Island Diver Creates New Tech for Longer Dives - YouTube

Peter Krull

Peter Krull is president of Krull & Company, one of the East Coast's leading socially and environmentally responsible financial services firms. An industry veteran who started his career with Merrill Lynch, he founded his firm in 2004 with the sole purpo

Ron Sims

Former Deputy Secretary for the US Department of Housing and Urban Development

Harvey Wasserman

Journalist, Author, Democracy Activist & Advocate for Renewable Energy

Judith Levine

Journalist, Author, and Activist

Eugene Linden

Eugene Linden has been writing about science, technology, the environment and humanity's relationship with nature in books, articles, and essays for 25 years.

Patrick J. Michaels

Senior fellow at the Cato Institute & Research Professor of Environmental Sciences at the University of Virginia

Kathy Madden

Senior Vice President, Project for Public Spaces

Ric O'Barry

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

Naomi Oreskes

Geologist & Earth Science Historian

Carl Pope

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

Barton Seaver

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

Reese Halter

Forest & Ocean Defender

Calvin Mackie

Inspirational Entrepreneur & Mentor

Carl Safina

Ecologist & Writer