How researchers can keep birds safe as U.S. wind farms expand

Wind energy is surging in the United States. In 2020, turbines generated about 8 percent of the country’s electricity — roughly 50 times the share of wind-generated electricity in 2000 —according to the U.S. Energy Information Administration. While the growth is a positive step toward curbing climate change, scientists say, it could be bad news for birds.

An estimated 140,000 to 500,000 birds die each year due to turbine collisions. Bird deaths could soar to 1.4 million per year if the U.S. Department of Energy achieves its goal of expanding wind energy to 20 percent of the country’s electricity demand by 2030.

To prevent avoidable deaths, some scientists are

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