Earth Day on OpenLearn
Published on April 14, 2025
The first Earth Day on 22 April 1970 activated 20 million people from all walks of life to do their bit to protect our planet. More than 50 years on, it is estimated that one billion people worldwide will engage in this year’s Earth Day. First published on Wed, 21 Apr 2021 as Earth Day on OpenLearn. To find out more visit The Open University's Openlearn website.