Dr. Julio Friedmann

Chief Scientist at Carbon Direct & Non-Resident Fellow at the Center on Global Energy Policy at Columbia University SIPA

Dr. Nick "Ranger Nick" Fuhrman

Josiah Meigs Professor of Environmental Education & Nature TV Host

Katharine Hayhoe

Atmospheric Scientist, Professor of Political Science & Director of Climate Science Center at Texas Tech, Lead Scientist with The Nature Conservancy

Saving Us: A Climate Scientist's Case for Hope and Healing in a Divided World

Dr. Adam Summers

Associate Director of University of Washington's Friday Harbor Laboratories, Biomechanic

Dan Riskin

Canadian Evolutionary Biologist, Television Personality & Former Host of Daily Planet

Daniel Pauly

Daniel Pauly is the principal investigator at the Sea Around Us Project, which studies the impact of the world's fisheries on marine ecosystems. The software he's helped develop is used around the world to model and track the ocean.

Douglas McCauley

Professor at UC Santa Barbara, Adjunct Professor at UC Berkeley & Director Benioff Ocean Science Laboratory

Peter B. de Menocal

President & Director of Woods Hole Oceanographic Institution; Professor, Department of Earth and Environmental Sciences Columbia University

Peter de Menocal on Ocean Solutions for a Warming Planet

Danielle Lee

Research Biologist, Blogger & Outreach Scientist

Brian Hare

Co-founder of Dognition & Associate Professor of Evolutionary Anthropology at Duke University, Author of "The Genius of Dogs"

Jacquelyn Gill

Assistant Professor of Paleoecology & Plant Ecology, University of Maine

Katie Hinde

Evolutionary Biologist & Researcher Into Mammalian Motherhood

J. Drew Lanham

Professor of Wildlife at Clemson University

Dr. Matthew Breen

Dr. Breen / Professor of Genomics in the Dept. of Molecular Biomedical Sciences / NCSU College of Veterinary Medicine

Sarah Brosnan

Primatologist; Professor of Psychology, Philosophy & Neuroscience at Georgia State University

Roman Dial

Biologist; Professor of Biology and Mathematics at Alaska Pacific University

Michael Archer

Paleontologist Michael Archer is working to bring back his favorite extinct animal: the Tasmanian tiger.