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The Shadowy Side of LED Streetlights

Blinking down at passersby in traffic intersections and lining dark alleys, sleek, energy-efficient LED streetlights have begun to replace old-fashioned, glitchy ones. Already, LEDs are strung above parts of places like Baltimore, San Diego, Kansas City and Bethlehem. Now, Portland, Maine, is in a race with Schenectady and several other cities to become the first to convert their entire light grid. But as more communities adopt government-funded, eco-friendly LED lights as an environmental measure, some worry that the eyes on these bulbs may be a bit too literal.

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