Sylvia Acevedo

Engineer, Rocket Scientist & Technology Leader; Inspirational Speaker; Corporate Director at Qualcomm; Former CEO of Girl Scouts USA

How Sylvia Acevedo Defied Barriers to Become Girl Scout CEO

Leland Melvin

Engineer, Former NASA Astronaut & Former NFL Wide Receiver

Ramez Naam

Computer Scientist, Science Fiction Author & Co-Chair of Energy & Environment at Singularity University

Ayana Elizabeth Johnson

Marine Biologist, Conservation Strategist, Founder & CEO of Ocean Collectiv

What If We Get It Right?: Visions of Climate Futures

Alexandra Cousteau

Environmental Activist, Storyteller & Ocean Advocate

Robert Ballard

Renowned Ocean Explorer & Scientist

David Suzuki

Environmentalist & Scientist; Co-Founder of the David Suzuki Foundation

Caleb Harper

Executive Director of the Dairy Scale for Good Initiative

Net Zero Carbon Emissions Implementation on the Farm with Caleb Harper

Dr. Sylvia Hood Washington

Chief Environmental Research Scientist at Environmental Health Research Associates, LLC.

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

Doc Hendley

Global Humanitarian, Clean Water Crusader, Top 10 CNN Hero, Sustainability Advocate

Lian Pin Koh

Lian Pin Koh expands conservation efforts by championing the use of low-cost autonomous aerial vehicles.

Daniel Esty

Hillhouse Professor of Environmental Law and Policy at Yale Law School, Corporate Environmental Strategy Expert & Co-Author of "Green to Gold"

Ziya Tong

Author of "The Reality Bubble" and Award-Winning Broadcaster

M. Sanjayan

Executive Vice President & Senior Scientist at Conservation International

Meave Leakey

Paleoanthropologist; Zoologist

Jenna Marbles

YouTube Sensation

Hazel O'Leary

Former Secretary of Energy

Jarod Miller

Naturalist, Zoologist & Television Host

Daniela V. Fernandez

Founder & CEO of Sustainable Ocean Alliance