R Randy New member Dec 27, 2010 #1 I understand there is legitimate concern that migrating birds will be killed by the turbines. There's got to be a simple solution here. If each blade emitted an ultrasonic alarm, wouldn't this make the birds avoid the blades?
I understand there is legitimate concern that migrating birds will be killed by the turbines. There's got to be a simple solution here. If each blade emitted an ultrasonic alarm, wouldn't this make the birds avoid the blades?
