Why the nights are getting brighter – but not in a good way
The world’s nights are getting alarmingly brighter – bad news for all sorts of creatures, humans included – as light pollution encroaches on darkness almost everywhere.
Satellite observations made by researchers during five consecutive Octobers show Earth’s artificially lit outdoor area grew by 2% a year from 2012 to 2016. So did nighttime brightness.
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photo credit: Kristofer Williams