You can't make an omelet without breaking some eggs. Nor, apparently, can you produce energy of any kind from any source without killing birds: Energy production of all types — wind, ethanol and mountaintop coal mining — is contributing to steep drops in bird populations, a new government report says.The first-of-its-kind report chronicles a four-decade decline in many of the country's bird populations and provides many reasons for it, from suburban sprawl to the spread of exotic species to global warming.It shows that birds in Hawaii are more in danger of becoming extinct than anywhere else in the United States. In the last 40 years, populations of birds living on prairies, deserts and at sea have declined between 30 percent and 40 percent.But in almost every case, energy production has also played a role.Environmentalists and scientists say the report should signal the Obama administration to act cautiously as it seeks to expand renewable energy...(Read Full Post)