Quannah Chasinghorse

Indigenous Activist & Model

Quannah ChasingHorse on Representation, Climate Exploitation

Paulina Alexis

Indigenous Canadian Actress; Known for the FX Series "Reservation Dogs"

Darin Olien

Co-Host of Netflix "Down To Earth" with Zac Efron, Best-Selling; Original Formulator of "Shakeology;" Healthy Living & Superfoods Expert

Robert Irwin

Wildlife & Nature Conservationist, Photographer, Author, and TV Personality; Son of Steve Irwin, Owner of Australia Zoo

Robert Irwin Reveals His Most Feared Animal! | The Cheap Seats

Tamron Hall

Award-Winning Journalist; Former National News Anchor for NBC News; Host of the "Tamron Hall Show"

Watch Where They Hide

Sophia Bush

Actress, Humanitarian & Author

Christiana Figueres

Expert on Global Climate Change; Former Executive Secretary of the UN Framework Convention on Climate Change

Gary White

CEO & Co-Founder of WaterEquity & Water.org with Matt Damon

Maggie Q

TV & Film Actress, Known for Lead Role in CW's "Nikita"

Alfonso Ribeiro

Host of America’s Funniest Home Videos, Actor, TV Director, Award-Winning Dancer & Broadway Star

Cesar Millan

Host of The Dog Whisperer; Author of Cesar's Way

William McDonough

Renowned Architectural Designer, Advisor & Co-Author of "Cradle to Cradle + The Upcycle"

Alice Waters

Executive Chef, Founder & Owner of Chez Panisse; Sustainable Agriculture Advocate

Dr. Michio Kaku

World-Renowned Futurist & Theoretical Physicist

Adrian Grenier

Actor Known for HBO's "Entourage"; Environmental Activist; UN Ambassador

Jillian Michaels

Leading Fitness Expert, Certified Nutritionist, Renowned Life Coach & Powerful Entrepreneur

Amy Smart

Actress, Environmentalist & Co-Founder of Smart House Collections

Lisa Edelstein

Actress, Director, Writer & Producer

Maria Menounos

CEO & Co-founder of AfterBuzz TV; Former E! News Co-Anchor; Best-selling Author, Journalist & Type-1 Diabetic

Kelly Wearstler

Interior and Fashion Designer