[caption id="attachment_1719" align="aligncenter" width="356" caption="Google's Earth Day Doodle"][/caption] Today, April 22, 2010, marks the 40th anniversary of Earth Day.
The following video provides a brief history of Earth Day and explains why it is important.
Watch President Obama speak about forty years of Earth Day and his Administrations efforts to fight for a healthier environment.
And, finally, a video celebrating different parts of Earth.
For more information about Earth Day visit the official website, www.earthday.org
Also follow the Earth Day Network on Twitter.