A Liter of Light: Cheap, Sustainable "Bulbs" for Informal Dwellings

In the Philippines, "eco-entrepreneur" Ilac Diaz is spreading an idea from MIT using 2-liter soda bottles and bleach to bring a 60 watt light bulb's worth of light into the building below.
July 21, 2011, 10am PDT | Tim Halbur
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Published on Wednesday, July 20, 2011 in Reuters UK
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