Alejandro Durán

Artist Who Collects Trash From the Oceans and Turns It Into Disquieting Works of Art

Dan Riskin

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

Jim Shockey

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

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

Tim Laman

Wildlife Photojournalist & Conservation Speaker

Ian Dunbar

World Famous Veterinarian, Dog Trainer, and Writer

Jeff Musial

Animal Expert & Media Personality

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"

Buck Brannaman

The Horse Whisperer

Dave Salmoni

Animal Planet Television Personality & Large Predator Expert

Bea Johnson

Founder of the Zero Waste Lifestyle Movement, Blogger, Bestselling Author of Zero Waste Home

Zero Waste is not recycling more, but less | Bea Johnson | TEDxMünster

Trevor Frost

Photographer, writer, filmmaker, and National Geographic Young Explorer

Benny Jacobs-Schwartz

Avian Field Biologist, International Bird Guide, Wildlife Photographer & Nature Enthusiast

Ken Goddard

Director of the National Fish & Wildlife Forensics Laboratory, NY Times Best-Selling Fiction Author

Cat Warren

Professor, Journalist, and Author of "What the Dog Knows"

Sangita Iyer

Multiple Award-Winning Nature & Wildlife Filmmaker, Broadcast Journalist, National Geographic Explorer & Author of "Gods in Shackles"

Explorer Classroom | Elephant in the Classroom with Sangita Iyer

Dion R. Studinski

Professional Dog Trainer, Owner & Founder of Ancillary K9 Dog Training