ALAMEDA, Calif. - Volunteers work together to plant a tree, holding the slender sapling steady and shoveling enriched fertilizer into the planter during Coast Guard Island's annual Earth Day event Tuesday, April 24, 2012. Volunteers helped plant trees, patrolled the island shoreline picking up trash and debris and repurposed cardboard boxes and trash bags in honor of Earth Day. U.S. Coast Guard photo by Petty Officer 3rd Class Caleb Critchfield.
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