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.

https://www.theguardian.com/environment/2017/nov/23/nights-getting-brighter-but-not-in-a-good-way?CMP=twt_a-environment_b-gdneco

photo credit: Kristofer Williams

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