Tony Juniper

Writer, Sustainability Advisor, & Environmentalist

Dereck Joubert

Wildlife & Documentary Filmmaker

Kelsey Skaggs

Co-Founder of the Climate Defense Project

Joel Sartore

National Geographic Photographer & Author

Ed Gillespie

Environmental Entrepreneur, Futurist & Author of "Only Planet"

Nicholas Stern

Chair, Grantham Research Institute on Climate Change and the Environment, United Kingdom

Calum Worthy

Canadian Actor & Environmental Activist

Robert Swan

Polar Explorer & Environmentalist; First Man Ever to Walk Unsupported to Both Poles

Bernie Krause

Natural sounds legend; records the sounds of endangered biospheres.

David Mizejewski

National Wildlife Federation Naturalist & Media Personality

Sharona Shnayder

Environmental Activist & Founder of Tuesdays for Trash

Terri Irwin

Naturalist, Author & Owner of Australia Zoo; Former Star of "The Crocodile Hunter"

Priestess Beatriz Schulthess

President of the Indigenous Peoples Ancestral Spiritual Council; Honorary President of Religions for Peace

Samuel Cord Stier

Director of The Center for Learning with Nature

Jerome Foster

White House Environmental Justice Advisory Council Member & Executive Director of OneMillionOfUs

Tzeporah Berman

International Program Director of Stand.earth, Chair at Fossil Fuel Non-Proliferation Treaty & Author of "This Crazy Time: Living Our Environmental Challenge"

Quitting Fossil Fuels with Tzeporah Berman - YouTube

Michael Curley

Visiting Scholar at Environmental Law Institute

Brian Deese

Former Director of the National Economic Council in the Biden Administration; Institute Innovation Fellow at MIT

Inflation core is too high: White House economist Brian Deese ...

Davis Reuben Sekamwa

Climate Activist, Project Manager in the RiseUp Movement & Co-Founder of 1 Million Activist Stories

Frans Lanting

Wildlife Photographer