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Good night, night: Light pollution increasing around globe

CAPE CANAVERAL, Fla. (AP) - The world's nights are getting alarmingly brighter - bad news for all sorts of creatures, humans included. A German-led team reported Wednesday that light pollution is threatening darkness almost everywhere. Satellite observations during five Octobers show Earth's artificially lit outdoor area grew by 2 percent a year from 2012 to 2016. So did nighttime brightness. Light pollution is actually worse than that, according to the researchers. Their measurements coincide with the outdoor switch to energy-efficient and cost-saving light-emitting diodes, or LEDs. Because the imaging sensor on the polar-orbiting weather satellite can't detect the LED-generated color blue, some light is missed. This photo combo of images provid


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