# Earth Day started as a US ‘teach-in’ 56 years ago. Now it’s a global event

- Link: https://www.widthness.com/earth-day-started-as-a-us-teach-in-56-years-ago-now-its-a-global-event/
- Published: 2026-04-22T09:45:00-05:00
- Author: Curated by Theresa Wysocki

Photo: Earth – April 2, 2026. Photo credit: Artemis II crew member / NASA via Flickr. CC BY-NC-ND 4.0 (no modifications). Article by The Associated Press. AP News – April 21, 2026. Millions of people around the world will pause Wednesday, 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 that is now home to some 8 billion humans and assorted trillions of other organisms. Here are answers to some common questions about Earth Day and how it came to be: […] Click here to view original web page at www.apnews.com Related articles: 9 Wins for the Planet in 2026: Good Things Happening on Earth Day – Mental Floss Terrible Team: Super El Niño and Climate Change Could Lead to Record-Breaking Global Temperatures – UCS: The Equation Congress will vote to expand ‘God Squad’ reach and gut endangered species protections – on Earth Day – The Independent Curated by Theresa Wysocki See Full Bio