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

Earth Day is a global event for environmental awareness. US Senator Gaylord Nelson started it in 1970. Millions participate ...

Earth Day helped lead to the formation of the United States Environmental Protection Agency, Clean Air Act, Clean Water Act ...

The first Earth Day was celebrated in 1970, making this year's festivities the 55th annual festival. For the first Earth Day, ...

UC Santa Barbara organizations are hosting Earth Day events throughout this week, showing how individual sustainability ...

Like the rest of the nation, Yakima Valley observed the first Earth Day 55 years ago, a moment some consider the start of the ...

Earth Day Salt River Cleanup drew hundreds of volunteers and numerous organizations in a collective effort to help protect ...

In 1970, the first Earth Day events were "teach-ins" on campuses across the country.

"I have lived here my whole life and I am just trying to help out wherever and whenever I can," said Brady Schulz.

In the '90s, Hayes organized a global Earth Day — observed by an estimated 200 million people in more than 140 countries, ...

Earth Day is on Tuesday, April 22, and communities all across Idaho are celebrating with a variety of environment-focused ...