> Within the uncertainties of the data used, the estimate means that wind farms killed approximately 20,000 birds in the United States in 2009 but nuclear plants killed about 330,000 and fossil fueled power plants more than 14 million.

This falls along the lines of planting trees for CO2. Sure I could do it and feel good but maybe there's a more effective way to go about it. I wouldn't tell anyone not to plant trees though.