American climate activists

Pope Leo XIV is the head of the Catholic Church and sovereign of Vatican City since May 2025. He is the first pope to have been born in the United States, the first to hold either U.S. or Peruvian citizenship, the first from the Order of Saint Augustine, and the second from the Americas.

Vice President of the United States from 1993 to 2001 (born 1948)

American physicist, former United States Secretary of Energy, Nobel laureate

American filmmaker (born 1968)

American economist

American physicist

American politician and diplomat (born 1971)

American environmental activist (born 2003)

American climate activist

American businessman and politician (born 1954)

American climate activist

American climate change activist

American historian, scientist, academic

American environmentalist and writer

Thomas Fahr Steyer is an American businessman, philanthropist, and environmentalist. He is the founder of Farallon Capital, a San Francisco-based hedge fund, as well as NextGen America, a progressive political action committee, and Galvanize Climate Solutions, a climate change-centered investment firm. A member of the Democratic Party, he unsuccessfully ran for the party's nomination in the 2020 United States presidential election.

American physicist and climatologist

American climate activist

Indigenous-American rapper and climate activist

American science fiction author and historian (born 1985)

Israeli-American actor

American activist

Co-founder and Executive Director of the Sunrise Movement

Pakistani climate activist

US youth activist and co-founder of Zero Hour

Chinese-American journalist

American political scientist

American environmental activist (born 1950)

American environmentalist

American climate scientist

American environmental activist, youngest-ever White House Advisor in United States history, member of the White House Environmental Justice Advisory Council within the Biden administration

American climate scientist, science communicator and environmental justice activist

American skateboarder and surfer

a professor of thermal sciences at the University of St. Thomas School of Engineering, Minnesota in the United States of America.

American environmentalist

novelist, poet, academic

American climate activist

American model and activist (born 2002)

American Climate Activist

an American zoologist who studies bears, especially polar bears.

American environmentalist

Italian-American ice hockey player (born 1990)

American environmentalist

American activist

American environmentalist

American author and climate activist

professor at Indiana University Bloomington

former president of the Worldwatch Institute, an independent research organization focused on natural resource and environmental issues