Baltimore Earth Day 2011

April 22nd, 2011

Friday, April 22, 2011 is Earth Day across the US. Earth Day began on April 22 in 1970, making this the 41st Anniversary. The first Earth Day, according to Wikipedia, was originally a teach-in held by US Senator Gaylord Nelson, and 20 million people participated. It is now celebrated in 175 countries, and over 500 [...]