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

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 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 ...

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 ...

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, ...

First celebrated in 1970, Earth Day was founded by Senator Gaylord Nelson, Congressman Pete McCloskey, and activist Denis Hayes. Earth Day is an annual celebration to promote environmental ...

The first Earth Day was celebrated in 1970 when 20 million people went to inaugural events at schools, universities and other public areas around the country, according to the Library of Congress ...