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

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

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

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

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

WASHINGTON — As communities across the DMV commemorate Earth Day, it’s worth remembering how this annual celebration began ...

Earth Day is on April 22, but really, it should be every day. After all, saving the planet should be a daily occurrence, ...

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

The first Earth Day is largely credited as one of the key moments that launched the modern environmental movement.

Earth Day started in 1970 when people — including Wisconsin Sen. Gaylord Nelson — brought attention to the impact oil spills, pollution and smog were having on the planet. "Then in January ...

Earth Day recognizes the environmental movement. Here's how it started and why it’s still celebrated every April 22.