osmosis

Green tech finds

Green tech finds

Is the iPhone 4 green? That, and other questions answered, in this week’s green tech finds. Prize-winning biomimicry: Technology Academy Finland has awarded its biannual Millennium Technology Prize to Swiss scientist Michael Grätzel for his development of the dye sensitized solar cell, a cheaper alternative to photovoltaics that mimics photosynthesis. See the video above for details. (via…