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 Conference in San Francisco, peace activist John McConnell proposed a day to honor the Earth and the concept of peace, to first be observed on 21 March 1970, the first day of spring in the northern hemisphere. This day of nature's equipoise was later sanctioned ...
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World Heritage Convention
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Wed, 21 April 2021