The first Earth Day was celebrated in 1970, making this year's festivities the 55th annual festival. For the first Earth Day, 20 million people went to inaugural events at schools, universities and ...

The holiday remains one of the largest secular observances in the world, used to spotlight ongoing threats including plastic ...

Earth Day is April 22, 2025. Here's what to know on how you can observe environmentally-friendly habits in Michigan.

The first Earth Day was celebrated on April 22, 1970. National Centers for Environmental Information reports there were 27 ...

SINCE Earth Day was first celebrated on April 22, 1970 in the United States, founders of the Earth Day Network, also known as ...

In 1970, April 22 was first proclaimed as Earth Day, following an initiative of U.S. Sen. Gaylord Nelson that emerged as a response to the fallout from a massive oil spill in Santa Barbara ...