<p>Staff and volunteers from the Turtle Hospital release a 200-pound, male Loggerhead sea turtle named "Pal" off the Florida Keys on Thursday in Marathon, Fla. The turtle was treated with antibiotics and laxatives for an impacted digestive system, before being released on Earth day.</p>
April 23, 2010
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April 23, 2010 9 p.m.
Earth Day evolves
WASHINGTON - There was no "Green Movement" yet and little talk of global warming. Instead, the original Earth Day 40 years ago emphasized "ecology" and goals like cleaning up pollution and litter - along with a more anti-establishment vibe than today.