Photo Gallery - Earth Day, 2013
Sarah Cantu, 16, left, and Sabrina Chapa, 16, both from the CC-ISD Collegiate High School prepare the roots of a grapefruit tree for planting Monday, April 22, 2013 at Del Mar College in Corpus Christi, Texas, as they other students on the campus celebrated Earth Day. (AP Photo/Corpus Christi Caller-Times, Todd Yates)
A collection of images of how Earth Day is celebrated across the world, this Monday, April 22, 2013.
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