Tony Juniper

Writer, Sustainability Advisor, & Environmentalist

Erin Schrode

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

Julie Guthman

Author & Professor of Social Sciences at the University of California, Santa Cruz

Steve LeVine

Writer at The Electric; Expert on Batteries, Electric Vehicles, and their Impact on Society, Cities & Geopolitics

Sy Montgomery

Naturalist, Adventurer & Author of "The Good Good Pig" & "The Soul of an Octopus"

Secrets of the Octopus

Achenyo Idachaba

Head of MitiMeth, A Nigeria-Based Environmentally Aware Production Company

Michael Shellenberger

Founder & President of Environmental Progress; Expert on Energy, Climate, Security, Human Development and Politics

Rebecca Solnit

Writer, Historian & Activist

Chad Brownstein

Energy Expert & Chief Executive Officer of Rocky Mountain Resources

Paul Rosolie

Conservationist, Writer, Filmmaker, Founder of Junglekeepers, Protecting 55000+ acres of Amazonian Habitat & Wildlife

How creative & emotive communication conserved 55,000 acres of Peru’s Amazon

Sarah Kauss

Founder of S'well, Advisor, Investor & Advocate

Bill Weir

CNN Anchor, Chief Climate Correspondent, Former Host & Executive Producer of the Acclaimed CNN Original Series "The Wonder List with Bill Weir"

Life as We Know It (Can Be): Stories of People, Climate, and Hope in a Changing World

Alex Epstein

Founder, Center for Industrial Progress Author, Fossil Fuels Improve the Planet

Gary Griggs

Distinguished Professor and Director, Institute of Marine Sciences, UC Santa Cruz

Hans-Peter Plag

World-Renowned Researcher in the Areas of Climate Change and Sea Level Rise

Vani Hari

Food Activist & Blogger

Ric O'Barry

Wildlife Activist, Author & Founder of the Dolphin Project; Star of the Academy Award-Winning Documentary "The Cove"

Keith Colburn

Safety & Sustainable Fisheries Advocate; Captain of The Wizard on Discovery Channel's "Deadliest Catch"

Khalida Brohi

Indigenous Entrepreneur, Author, Storyteller & Women's Empowerment Speaker

Bindi Irwin

Wildlife Conservationist & Daughter of Steve Irwin; Season 21 Contestant on "Dancing With the Stars"