Getting more sunlight per watt

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Sunlight gives us light at no charge, which we can harness in our buildings to reduce our reliance on electrical lighting, while providing a more enjoyable indoor environment. Leave it to an engineer to tell us how much that sunlight actually costs us. Lumens per watt (lpw) is the measure of lighting efficacy, telling us how much light (lumens) we get out for how much power (watts) we put in.

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Has the time come for vinyl siding?

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I'm no fan of vinyl, but someone (actually a lot of someones) keep buying lots of it, year after year. Why? A recent article, "Vinyl makers push for New Urbanism market," in New Urban News looks at the benefits. Since vinyl is pretty much Evil (I picture it as the smoldering stuff in the toaster oven in "Time Bandits") in the environmental world, I thought this article was pretty fun. Apparently there is a campaign afoot to get some respect for vinyl siding, and it's winning over people in the New Urbanist community.
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Legally Green — Legal and Practice Issues of LEED (AIA'08)

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This morning began (for me) with a 7:00 (early!) session called "Legally Green: Legal and Practice Issues of LEED," presented by Betsy del Monte and William Quatman. The room had a capacity approaching 400, and got close to filling up. Betsy's presentation was, for the most part, understandably basic. The big majority of the audience, by show of hands, had not worked on a LEED certified project, or a LEED certifiable project, and were not LEED APs. They were there for continuing education.
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