For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on. "Earth Day ...

Thousands of events are scheduled across the globe to celebrate Earth Day on Tuesday, April 22. Here's a handful happening in ...

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

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One of the most enduring questions in anthropology is why Neanderthals, our closest extinct human relatives, completely ...

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

Explore Earth Day 2025’s theme, debates, and justice-driven solutions for a cleaner, equitable, and sustainable planet.

Rising global temperatures are driving the sharp decline in terrestrial water storage. This trend isn’t likely to change, scientists say.

April 22, Earth Day is celebrated once again as over one billion people help the Earth recover from the ravages of ...

Arborists are hoping to transform vacant land on Detroit’s eastside by planting giant sequoias, the world’s largest trees.

Earth Day draws attention to climate change, but it's also been a fascinating day in weather history, with everything from ...