The world's biggest dam removal project -- and the second-largest environmental restoration project in U.S. history -- is in progress on the Elwha River on the Olympic Peninsula in Washington state. The Elwha Dam and the Glines Canyon Dam…
By Saskia de Melker
For more on this story go to http://www.pbs.org/newshour/…
Chinese officials pushed Tuesday to evacuate another 80,000 people in the potential flood zone of a dangerous dam created by landslides and debris from the May 12 earthquake and aftershocks.
By PBS NewsHour
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