Earth Day has always been a day that acknowledges our planet, which provides for us, and ways we can protect and preserve its beauty. That being said, here's everything you should know about Earth Day 2025, and its 55th annual celebration. Earth Day falls on April 22 every year. This year, it falls on a Tuesday.

When is World Earth Day 2025 and what is the theme? As discussed earlier, World Earth Day is annually observed on April 22. This year, it's falling on Tuesday. The theme for this year is "Our Power, Our Planet".

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