<P> Earth Day is an annual event celebrated on April 22 . Worldwide , various events are held to demonstrate support for environmental protection . First celebrated in 1970 , Earth Day events in more than 193 countries are now coordinated globally by the Earth Day Network . </P>
<P> Earth Day is an annual event celebrated on April 22 . Worldwide , various events are held to demonstrate support for environmental protection . First celebrated in 1970 , Earth Day events in more than 193 countries are now coordinated globally by the Earth Day Network . </P>
when was earth day celebrated around the world
when was earth day celebrated around the world
April 22
April 22