Light Pollution During the last 50 years, an excess of outdoor lighting has become common, creating the phenomenon of “light pollution.” Much of this unnecessary glare and light “trespass” is

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Date: 2016-04-29 16:01:00		Light Pollution During the last 50 years, an excess of outdoor lighting has become common, creating the phenomenon of “light pollution.” Much of this unnecessary glare and light “trespass” is Add to Reading List Source URL: cvas.cvas-north.com Download Document from Source Website File Size: 440,01 KB Share Document on Facebook