There are articles in New Scientist about this: here is an extract with a proposed solution.
"Windy day
One solution could be to increase the minimum wind speed needed to set the blades in motion. Most bats are more active in low wind.
The study was funded by a number of bat conservation groups together with energy companies with a financial interest in wind energy, such as Shell Canada and Alberta Wind Energy."
Re painting metal bistro garden set
Army horses loose on London streets
Have any of you got all electric cars? Pros and cons please.