For years, biologists have warned that non-native zebra mussels threaten plant and animal species throughout the Great Lakes. Now, underwater archeologists say the mussels are also damaging historic shipwrecks. The Great Lakes Radio Consortium’s Brian Mann visited an underwater museum on Lake Champlain and has our story: Transcript For years, biologists have warned that non-native … Continue reading Zebra Mussels Endanger Historic Shipwrecks