Daniel_Stuckey writes: If you still buy DVDs, you're killing the environment. Maybe that's a little extreme, but the environmental benefits of streaming a movie (or downloading it) rather than purchasing a DVD are staggering, according to a new US government study by researchers at the Lawrence Berkeley National Laboratory. If all DVDs purchased in 2011 were streamed instead, the energy savings would have been enough to meet the electricity demands of roughly 200,000 households. It would have cut roughly 2 billion kilograms of carbon emissions. According to the study, published in Environmental Research Letters , even when you take into account cloud storage, data servers, the streaming device, streaming uses much less energy than purchasing a DVD. If, like me, you're thinking, "who buys DVDs anymore, anyways," the answer is "a lot of people."
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