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

PHYSorg
Apr 21, 2026, 1:20 pm124 ptsTrending
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.

Read Article Share
Share Article
- email
- x.com
- facebook
- pocket
- reddit
- tumblr
- linkedin
- pinterest

Trending Today on EcoTopical

Hot Spring Microbiomes Could Transform Industrial CO2 Waste into Valuable Products, Manchester Researchers Find 124

Earth Day started as a US 'teach-in' 56 years ago. Now it's a global event 123

Milk Production Carbon Footprint May be Larger Than Thought 123

Transco Pipeline Project Faces Legal Challenge 120

Tesla’s California sales crash 24% as state’s EV market plunges to lowest since 2021 120

Trump's environmental policies mean dirtier air for Connecticut 119

At the U.N., Indigenous leaders tackle how to enforce global climate court rulings 118

Our efforts to halt global forest loss aren't working: New research 115

About EcoTopical

Welcome to EcoTopical Your daily eco-friendly green news aggregator.

Leaf through planet Earths environmental headlines in one convenient place. Read, share and discover the latest on ecology, science and green living from the web's most popular sites.