Yes, Light pollution does affect the ecology of the region.
http://www.suntimes.com/lifestyles/1199598,CST-NWS-night03.article.
Do I believe "A spokeswoman for the Chicago Bureau of Electricity said the city "has been actively pursing different methods to address the issue of light pollution."? Not in a second.
The University of Chicago just added over $7000 in electrical costs a year in extra, non-effective lights on campus. Is that sustainable?
Aha, it's the exhibit I heard about.
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