Earth Day started in the 1970s. Here’s an Earth Day fact everyone should know: Earth Day was first observed on April 22, 1970, followed in 1972 by World Environment Day. It has ...

It's Earth Day, a day when people around the world celebrate the planet we call home. In honor of the occasion, here are some facts about Earth you may not know. Earth’s diameter, or the distance ...

Add Yahoo as a preferred source to see more of our stories on Google. In honor of Earth Day, here are some actually cool facts about our planet. Share your favorite most mind blowing facts in the ...

India, April 22 -- Earth Day 2026 is once again set to bring millions together across the globe in a unified call for environmental protection, climate action, and sustainable living. Observed ...

Now that plants and trees in western Pennsylvania are awakening from their winter slumber, local communities are planning events and activities to join the global celebration of Earth Day on April 22, ...