Light pollution prolongs avian activity
If the songbirds in your neighborhood are waking you up earlier and chirping well into the evening, blame light pollution. Artificial light touches nearly every corner of Earth’s surface, and a new study shows that it’s messing with birds’ biological clocks. Researchers analyzed a global acoustic dataset of more than 60 million recorded birdsongs representing more than 580 diurnal bird species. The findings, published Thursday, August 21, in the journal Science, show that light pollution has pr