'Bubble curtains' could be the solution
(NEWSER) - Renewable energy from wind farms comes at the cost of scaring off porpoises, according to a German study of the country's first offshore wind farm. The marine mammals—who depend on their acute hearing for communication, orientation, and finding food—fled the area 30 miles off the German coast while the wind farm was under construction, and it's unclear whether they'll ever return, Der Spiegel reports. More»