Earth Day is coming up on April 22. But what is Earth Day, and how and when did it start? “Earth Day marks the anniversary of the birth of the modern environmental movement in 1970,” according to the ...

More than 8 billion people inhabit our planet, and each year Earth Day reminds them of the need to take care of their home. The springtime holiday, which takes place today—April 22—dates back to 1970, ...

Earth Day began 55 years ago to highlight environmental issues on the national stage. From the early celebrations in 1970 to today, it's grown into a worldwide movement to remind residents of planet ...

Earth Day is celebrated on April 22 each year, promoting environmental protection and awareness since 1970. Now celebrating its 55th anniversary, this year's Earth Day theme, "Our Power, Our Planet," ...