Invading Crayfish, Underwater Robot, Grizzly Destr
series: This American Land
air date: 1/06/13 7:00 AM
Paddling and protecting the spectacular Cascadia Marine Trail along Washington's coastline. Robotic underwater gliders investigate mysterious "dead zones" off the Pacific coast. Young students in Oregon learn how destructive crayfish were transported across the Rockies for science experiments in their own school! A landfill gets a second career as a solar power station. Powerful grizzly bears test new designs for bear-proof trash cans.
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