John S. Coleman

Al Gore living

activist investor, co-chairman of Generation Investment Management (GIM), politician, VP of the United States from 1993-2001 for Bill Clinton, philanthropist, environmentalist, documentary filmmaker of Inconvenient Truth, founder of Current TV (sold it to Al Jazeera), climate change activist, founder of Climate TRACE, co-founder of Gore and Blood carbon trading firm
1948- (77)

Dr. Alexander King

President and co-founder of the Club of Rome in 1972, climate change activist

Aurelio Peccei

Founder of Italconsult (working with Fiat, Innocenti, Montecatini) aka Aurelio Peccai, president of Olivetti, climate change activist aka Aurelio Pechai, commissioned the Report on The Limits to Growth, co-founder and 1st president of the Club of Rome in 1972, author of The Chasm Ahead, The Human Quality, Before Its Too Late
1908-1984 (76)

Bill Nye

Science educator, climate change

Børge Brende living

President, co-chairman and managing director of the World Economic Forum (WEF), Grand Cross of the Hellenic Order of the Phoenix, environmentalist, Young Conservatives politician, entrepreneur, former Minister of Foreign Affairs for Norway
1965- (60)
weforum.org

Brenda Mallory

Politician, lobbyist, climate change, 12th chair of the Council on Environmental Quality
whitehouse.gov

David Blood

Hedge fund manager, formerly CEO of Goldman Sachs Asset Management, activist investor, co-chairman of Generation Investment Management (GIM), co-founder of Gore and Blood carbon trading firm, social credits, climate activist, chairman of Just Climate

David Rothschild living

climate change activist, adventurer, environmentalist, ecologist, inventor of the Plastiki bottle boat, CEO of Sculpt the Future Foundation
1978- (47)

Dennis Meadows

Climate change activist, co-author of The Limits to Growth

Ed Miliband living

Shadow Secretary of State for Climate Change and Net Zero since 2021, climate change, politician, MP for Doncaster since 2005
1969- (56)

Eric Pianka living

Evolutionary biologist, ecologist, herpetologist, environmentalist, climate change activist
1939- (86)
amacad.org

Gerald Butts

Political strategist, principal secretary for Justin Trudeau from 2015-2019, vice chairman of Eurasia Group, CEO of New Climate Group, president and CEO of World Wildlife Fund Canada from 2008-2012

Greta Thunberg

Environmental activist, climate change, her mother is opera singer Malena Ernman

Hansjörg Wyss living

Billionaire, medical devices, founder of Synthes USA, environmentalist, philanthropist, founder of Wyss Foundation
1935- (90)

Prince Jaime de Bourbon de Parme

Count of Bardi, climate activist, climate envoy for the Netherlands, senior advisor to the UNHCR

James Lovelock

Environmentalist, pioneer Gaia hypothesis (or Gaia theory), depopulation futurist

John P. Holdren living

Scientist, environmentalist, pessimist, neo-Mathusian senior advisor to President Obama, Democratic Party politician
1944- (81)

José María Figueres Olsen living

President of Costa Rica from 1994-1998, National Liberation Party politician, Foreign Trade and Minister of Agriculture and Livestock, engineer, businessman, climate activist, CEO of the World Economic Forum from 2000-2004, received nearly $1 million in undisclosed money from Alcatel in consulting fees
1954- (71)
clubmadrid.org

Mark J. Carney living

28th prime minister of Canada since 2025, Liberal Party politician, former vice chairman at Brookfield Asset Management (Bermuda & NYC), economist, banker, financier, governor of the Bank of Canada, Bank of England from 2013-2020, author of Values, greentech investor, climate activist
1965- (60)
bankofengland.co.uk

Maurice Strong

Environmentalist, climate activist, director at the United Nations, co-founder of the Earth Charter Initiative (with Mikhail Gorbachev) at the Rio conference became the Rio declaration in 1992, owner of the Baca Ranch
mauricestrong.net

Paul R. Ehrlich

biologist, physician, scientist, eugenics, pioneer in antimicrobial chemotherapy, immunology, hematology, inventor of a cure for syphilis in 1909, precursor technique to Gram staining bacteria, climate activist, author of Ecoscience, The Population Bomb
1854-1915 (61)