Bringing sunlight indoors can be done in many ways. TreeHugger has covered the Sunpipe, the work of the Oak Ridge National Laboratory, developments coming out of Queensland University of Technology, FluoroSolar, and the Suntracker. The University of Nottingham has also integrated daylight into its new Creative Energy Homes.
For more lighting products, inventions, concepts, news, and activism, dive into TreeHugger's Lighting category.
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Simple home improvements can lower your utility costs in winter.
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Use this interactive map to find people giving away free stuff or folks to take things off your hands.