Gaylord Nelson, the late U.S. senator and governor of Wisconsin, is considered the founder of Earth Day, which started in ...

Earth Day is celebrated on April 22 each year, promoting environmental protection and awareness since 1970.

On April 22, 1970, Philadelphia hosted a six-hour festival in Fairmount Park that drew 25,000 to 30,000 clean-air lovers. The bow-tied W. Thacher Longstreth agreed to meet a few young people who ...

It's been more than 50 years since the first Earth Day in the United States. On April 22, 1970, people gathered at events across the country to raise awareness about the environmental issues ...

Earth Day 2025: For Earth Day 2025, list of America's Climate Leaders has grown significantly The first Earth Day was celebrated in 1970, when 20 million people attended inaugural events at schools, ...

Earth Day was first celebrated in 1970 when Gaylord Nelson, a Wisconsin senator, and John McConnell, a San Francisco activist, each asked the country to join a grassroots demonstration to raise ...