Jim Shockey

Hunting Guide, Host of "Uncharted" on the Outdoors Channel

Eric Goode

Entrepreneur, Conservationist, CEO of The Turtle Conservancy & Director of Netflix's "Tiger King"

Corey Feldman

Actor Known for Movies Like "The Goonies" and "Stand By Me"

Dr. Jill Stein

Physician, Environmental Activist & Politician; 2016 Green Party Presidential Nominee

Peter Gleick

Co-founder & President of the Pacific Institute for Studies in Development, Environment & Security

The Three Ages of Water

Sebastian Copeland

Adventurer, Environmental Activist, Award-Winning Photographer, Author, Lecturer & Founder of the Sedna Foundation

Erin Schrode

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

Heidi Cullen

Communications Director for Monterrey Bay Aquarium Research Institute; Climate Scientist

Tim Laman

Wildlife Photojournalist & Conservation Speaker

Dr. Enric Sala

Marine Ecologist & Explorer-In-Residence at National Geographic Society

Christine Ervin

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

Tamar Geller

Dog Trainer, New York Times Bestselling Author who developed "The Loved Dog" a revolutionary method of dog training

Ian Dunbar

World Famous Veterinarian, Dog Trainer, and Writer

Jeff Musial

Animal Expert & Media Personality

Carl Safina

Ecologist & Writer

Dr. Katy Nelson

Animal Health Expert, Host & Executive Producer of "The Pet Show with Dr. Katy"

Hannah Shaw

Cat Protection Professional, Known as "The Kitten Lady"

Brian Hare

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

Dina Manzo

Event Planner; Interior Designer; Cast Member of The Real Housewives of New Jersey

Buck Brannaman

The Horse Whisperer