Millions of birds migrate at night during spring and fall. And millions are killed each year as they collide against brightly lit buildings. "Lights out" programs in many cities along flyways, including Toronto, encourage building owners and managers to shut the lights out during spring and fall migration.
In Minnesota, state-owned or state-leased buildings are now required to turn off their lights after midnight, after legislators last week passed a law inspired by Audubon Minnesota's "Lights Out" program.
Be it through laws or voluntary measures, lights should be turned off everywhere when not in use. And not only for the sake of migrating birds; it’s also an obvious energy saving measure!