Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection. It was first celebrated in 1970, and is now coordinated globally by the Earth Day Network,[1] and celebrated in more than 192 countries each year.[2]
Wednesday 22 April 2015
Earth Day: The History of a Movement.
Earth Day is an annual event, celebrated on April 22, on which day events worldwide are held to demonstrate support for environmental protection. It was first celebrated in 1970, and is now coordinated globally by the Earth Day Network,[1] and celebrated in more than 192 countries each year.[2]
