Web Date: December 16, 2010
LEDs Not So Green After All
Because they last a long time, generate little heat, and contain no mercury, light-emitting diodes (LEDs) seem like an ideal environmentally friendly light source. But a new study by researchers at the University of California's Davis and Irvine campuses finds that by California standards, the small LEDs used in products such as Christmas lights, traffic signals, and remote controls should be classified as hazardous waste ( . . .
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