President & CEO, The Nature Conservancy; Author, 'Nature's Fortune: How Business and Society Thrive by Investing in Nature'
Brad Friedman and Desi Doyen
Co-hosts of the radio's nationally syndicated 'Green News Report'
Associate Director, Sierra Club International Climate Program
Executive Director, Columbia University's Earth Institute
Director, Foreign Policy In Focus
Robert Peter Gale
Visiting Professor of Haematology, Imperial College London; Co-author, 'RADIATION: What It Is, What You Need to Know'
Tom Zeller Jr.
MIT Knight Science Journalism Fellow
Director, Responsible Trade Program, Sierra Club
Nicholas Institute for Environmental Policy Solutions at Duke University
Media Relations Specialist, Greenpeace International