This year, April 22 is on a Monday. It will be the 54th Earth Day celebrated since the occasion was recognized as a holiday. Earth Day was first celebrated in 1970 when Gaylord Nelson, a Wisconsin ...

Millions of people around the world will pause on Monday, at least for a moment, to mark Earth Day. It's an annual event founded by people who hoped to stir activism to clean up and preserve a planet ...

EARTHDAY.ORG, together with partners worldwide, today announces the global theme for Earth Day 2026: Our Power, Our Planet-a ...

While being environmentally conscious is important all year long, Earth Day is an extra opportunity to do your part in keeping our planet happy and healthy. Whether you need a refresher on the holiday ...