This type of pollution may sound benign, but it’s turned night into day across a staggering 80 percent of the world.
This type of pollution may sound benign, but it’s turned night into day across a staggering 80 percent of the world. This doesn’t just cloud our view of the stars—it messes with the visual cues that tell wildlife when to migrate, hunt, and mate. A study published in 2020 even found that light pollution, piling onto the threat from habitat loss and pesticides, puts 2,000 firefly species at risk of extinction.