Earth Day is an annual event held on 22 April to demonstrate support for environmental protection. First held on 22 April 1970, the history of the Day traces back to UNESCO. In 1969 at a UNESCO ...
(STACKER) — Since its inception on April 22, 1970, Earth Day has been adopted in dozens of countries around the world and recognized by the United Nations as a global effort. In the last half-century, ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback