Canadian environmentalists

James Francis Cameron is a Canadian filmmaker and deep-sea explorer. His films combine cutting-edge film technology with classical filmmaking techniques and have grossed over $10 billion worldwide, making him the second-highest-grossing film director of all time. A major figure in the post-New Hollywood era, Cameron has received numerous accolades, including three Academy Awards, two Primetime Emmy Awards, and four Golden Globe Awards, as well as nominations for six British Academy Film Awards.

Canadian poet, novelist, literary critic, essayist, teacher, environmental activist, pépiniériste and inventor (born 1939)

Rachel Anne McAdams is a Canadian actress. A graduate of York University in 2001 with a BFA in theatre, she is known for her starring roles in comedy and drama films as well as her work in television and theater. Her accolades include nominations for an Academy Award, a British Academy Film Award, and a Tony Award. In 2026, she was honored with a star on the Hollywood Walk of Fame. As a leading actress, her films have grossed over $3.4 billion worldwide.

Canadian author and activist (born 1970)

Canadian and American actress and activist (1948–2018)

Lithuanian-Canadian primatologist conservationist (1946–2026)

Canadian popular scientist and environmental activist

Canadian environmental activist

Canadian astrophysicist and popularizer of science (1932–2023)

environmental activist and writer

Canadian writer and environmentalist (1921–2014)

Sophie Grégoire Trudeau is a Canadian public speaker and retired television host. She married Justin Trudeau, the 23rd prime minister of Canada, in 2005; the couple separated in 2023. She is involved in charity work, social work, and public speaking focused mainly on the environment, women's issues, and children's issues.

Anishinaabe water protector

Canadian environmental and human rights activist

Canadian singer-songwriter and environmentalist

South African-Canadian-American entrepreneur and restaurateur (born 1972)

Inuit environmentalist

Raffi Cavoukian (, born July 8, 1948), known professionally by the mononym Raffi, is an Armenian-Canadian singer-lyricist and author born in Egypt best known for his children's music. In 1992, The Washington Post called him "the most popular children's singer in the English-speaking world". He developed his career as a "global troubadour" to become a music producer, author, entrepreneur, and founder of the Raffi Foundation for Child Honouring, an initiative focused on promoting children's rights and well-being. He has also been involved in advocacy for environmental and social causes, often ad

Canadian businessman (1929-2015)

Canadian environmental consultant

Canadian fisherman and environmentalist

Canadian environmentalist, journalist, author and politician (1941-2005)

badminton player and Greenpeace founder (1932–2001)

Canadian author and activist

Canadian politician (1937–2026)

musician, activist

Canadian politician

director and filmmaker

Canadian author, journalist, broadcaster, musician and politician

Canadian marine biologist

Canadian naturalist, author, artist and filmmaker (1929–1988)

Avram David "Avi" Lewis is a Canadian politician and filmmaker who has served as leader of the New Democratic Party (NDP) since 2026.

Canadian politician

Canadian politician

Canadian environmental activist

Canadian actress and environmental activist

Canadian activist and politician

Canadian businessperson and politician

Canadian politician

Canadian environmentalist

Gertrude Bernard (June 18, 1906 – June 17, 1986), commonly known as Anahareo, was a Canadian writer, animal rights activist and conservationist of Algonquin and Mohawk ancestry. Throughout her life, she challenged cultural stereotypes of First Nations women and proved herself to be "an intrepid, resourceful, and self-reliant woman who could manage on her own in the wilderness and yet was no stranger to the customs and trappings of modern civilization". At a time when "conservation" stood for increasing the size of animal populations for the sake of hunting and trapping, she, along with G

Canadian writer (1937–2020)

Canadian singer and filmmaker

Canadian artist (born 1930)

Canadian environmentalist and politician

Canadian journalist and environmentalist

Canadian politician

Canadian politician (1930-2008)

Canadian naturalist

Canadian politician

Canadian environmentalist and politician

American / Canadian author, journalist and ecologist (born 1947)

Canadian scientist, activist, and politician

Canadian lawyer and politician

Canadian diplomat

Canadian politician (1950–2008)

Canadian politician

Canadian socialist

Canadian politician

Canadian politician