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.