30 May '14, 4pm

What's greener: Streaming video or watching a DVD?

What's greener: Streaming video or watching a DVD?

Streaming video over the internet is becoming more popular with every passing year. While Netflix might be the first thing that comes to mind when most people hear about streaming video, all the major players are also betting big on the technology (Apple, Google, Amazon, cable companies and telecoms, etc). Meanwhile, DVD sales are going down. This raises the question: Is streaming video more environmentally-friendly than the technology that it is replacing? Researchers from the Lawrence Berkeley National Laboratory and McCormick School of Engineering have decided to look into it. Using life cycle analysis tools, they were able to estimate the primary energy use and greenhouse-gas emissions associated with watching video via streaming or on a DVD. The results were not as clear-cut as some might as believed: Environmental Research Letters /CC BY 3.0 Environmental Research Le...

Full article: http://www.treehugger.com/energy-efficiency/whats-greener...

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