Al Gore

Former Vice President of the United States

Christie Brinkley

American model

James Cameron

Canadian film director

Leonardo DiCaprio

American actor

Van Jones

American commentator

Edward Norton

American actor

Charles, Prince of Wales

King of the United Kingdom

Julius Shulman

American architectural photographer

Peter Barnes

English former football player

Sheherazade Goldsmith

British environmentalist

Gary Snyder

American poet

Tom Steyer

American philanthropist

Loki Schmidt

German environmentalist

Timothy Treadwell

American environmentalist

Pradip Krishen

Indian filmmaker

Farley Mowat

Canadian writer

Adrian Grenier

American actor

Lola Van Wagenen

American historian

Naseeruddin Shah

Indian actor

James Lovelock

English scientist

Achim Steiner

Environmentalist

Russel Norman

Member of the New Zealand Parliament

Eugenie Sage

New Zealand Politician

Sarah Bishop

Australian actress

Murray Foster

Canadian musician

André Heinz

Environmentalist

Ed Begley Jr.

American actor

Kimbal Musk

Restaurateur

Blythe Danner

American actress

Rees Jones

American golf course architect

Edward Max Nicholson

Environmentalist

David Suzuki

Canadian television presenter

Terry Jacks

Singer-songwriter

Persia White

American actress

Jimmy McNichol

American former child actor

Priscilla Meirelles

Brazilian model

Peter Garrett

Former Minister for the Environment and Water

Greta Thunberg

Swedish activist

Tim Flannery

Baseball player

Jecca Craig

Wallace Stegner

American novelist

Edward Goldsmith

French environmentalist ‧ James Goldsmith's brother

Diederik Samsom

Former Member of the House of Representatives of the Netherlands

Mike Levin

United States Representative

Alexandra Cousteau

Filmmaker

Yannick Jadot

Member of the European Parliament

Carol Browner

Former Administrator of the U.S. Environmental Protection Agency

Jessica Steen

Canadian actress