Earth Day

EARTH Day, 22 April

This week the Earth Day was celebrated all over the World. Earth Day is celebrated every year on April 22 to raise awareness for support for environmental protection. It was first celebrated in 1970, by 20 million Americans demonstrated for a healthy, sustainable environment on streets, parks, and auditoriums. Colleges and universities organized protests against the deterioration of the environment. 

Short History of Earth Day
Peace activist John McConnell proposed a day to honor the Earth and the concept of peace In 1969 at a UNESCO Conference in San Francisco to first be celebrated on March 21, 1970 on the first day of spring in the northern hemisphere. 
A month later a separate Earth Day was founded by Gaylord Nelson, then a U.S. Senator from Wisconsin, after witnessing the ravages of the 1969 massive oil spill in Santa Barbara, California. Senator Nelson announced the idea for a “national teach-in on the environment” to the national media aiming to emerge public consciousness about air and water pollution and to force environmental protection onto the national political agenda. For this reason, he recruited Denis Hayes from Harvard as national coordinator. Hayes built a national staff of 85 to promote events across the land on April 22, 1970 falling between Spring Break and Final Exams.
Today, Earth Day is celebrated in more than 150 countries by more than a billion people every year which are coordinated globally by the Earth Day Network. It became a day of action that changes human behavior and provokes policy changes
2020 is the 50th anniversary of Earth Day. In honor of this milestone, Earth Day Network is launching an ambitious set of goals to shape the future of 21st century environmentalism.

https://www.earthday.org/about/the-history-of-earth-day/