AP Photos: Earth Day observed around the world

By The Associated Press | April 22, 2012 | 3:18 PM EDT

A May Apple grows in Moreland Hills, Ohio, on Earth Day, Sunday, April 22, 2012. (AP Photo/Amy Sancetta)

An Indian boy plays in the polluted waters of the Yamuna River in New Delhi. Women wearing leaves and flowers ready for a celebration in Barcelona. A girl holds a poster calling for water conservation amid a rain storm in Washington.

The 42nd Earth Day is being marked all over the world today and AP photographers were there to capture it.