20.04.2014 16:20 Uhr, Quelle: Engadget

Inhabitat's Week in Green: flexible circuit boards, BMW i3 and the world's first urban algae canopy

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. When you think about transportation innovations, highways probably aren't the first things that come to

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