Spring bird migration is underway, and officials in Louisville, Kentucky, are asking residents to do something surprisingly simple to help: turn off unnecessary lights at night.
As millions of migratory birds travel across the United States this spring, Louisville is ramping up efforts to reduce light pollution through a partnership with the Louisville Audubon Society and its Lights Out Louisville initiative.
City leaders say artificial light at night, often called ALAN, can confuse and disorient birds during migration, increasing the risk of deadly collisions each year with buildings and windows. According to the initiative, as many as 5 billion birds die each year in the U.S. from window strikes, with light pollution playing a major role…