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Earthwatch Radio: Sea Lamprey Resurgence
This radio broadcast describes efforts to control the population of sea lampreys in the Great Lakes. Sea lampreys, an invasive species from the Atlantic Ocean, have populated the lakes for years, but have recently...
Shock Therapy with Seawater
This radio broadcast describes a technique called 'salinity shock' which is being used to kill plants and animals that ride in ballast water on ships. Oceangoing ships are now dumping their freshwater ballast at sea and...
A Helpful But Hazardous Harvest
Scientists clean up chemicals like polychlorinated biphenyls (PCBs) with help from vegetables like pumpkins and zucchini. This radio broadcast explains how certain vegetables can be grown to absorb pesticides and...
Tolerance in the Tropics
Although temperatures are predicted to rise the most in northern latitudes due to global warming, tropical plants and animals might have the most difficult time adapting to climate change. This radio broadcast explains...
Losing the Clean Sweep
This radio broadcast deals with the potential effects of climate change on air pollution, particularly the 'smog' that develops in the summer in the Northeast and Midwest. A research chemist discusses her work in this...
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