
According to the USGS, wind turbines collisions kill between a quarter to a half million birds annually. Researchers from the College of William and Mary, however, have built a warning system they call the Acoustic Lighthouse. This invention emits a high-pitched sound which warns birds to look ahead and slow down or stop before they impact with the wind turbine. This device could be used on tall buildings and other towers like those used for storm warnings and cell phones.

I for one would be grateful to have these devices placed on the 86 wind turbines that stand just two miles from the 11,091 acres that make up Horicon Marsh here in Wisconsin.
See also Save the Eagles International
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