08.12.2013 16:06 Uhr, Quelle: Engadget

Inhabitat's Week in Green: eco-friendly Christmas trees, Kingdom of Erebor Lego replica and a ring that translates sign language

Each week our friends at Inhabitat recap the week's most interesting green developments and clean tech news for us -- it's the Week in Green. At this time of year, you tend to see lots of cars with Christmas trees strapped to their roofs. But that

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