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Five good green ideas from the U.S. government

By: Shea Gunther on Oct. 16, 2009, 11:21 p.m.
A bear in Yellowstone

Photo: B mully/Flickr

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The Endangered Species Act

The Endangered Species Act was passed by Congress in 1973 and was set up to protect species and their ecosystems, categorizing protected species as either "endangered" or "threatened." The bill provides stiff punishments for anyone trafficking, harming or killing them.