Given the numbers of birds and bats killed at wind turbines, there is a great urgency to better understand the movements of airborne animals. (sciencemag.org)
Yet, recent studies highlight that so - called green energy, such as wind energy, may come at environmental costs, for example when wind turbines kill birds and bats. (wind-watch.org)
The impact of wind turbines on wildlife, most notably on birds and bats, has been widely document and studied. (ucsusa.org)