The Obama administration's Chief Energy guru Steven Chu has proposed that we convert to white roofs everywhere to combat global warming. Well isn't that special?
Ok, how much will this cost? How do you implement such a program? Who pays for it? What are the proposed incentives for home owners and business owners? Why wasn't this suggested decades ago?
I would guess that asphalt and concrete are a larger heat-sink that dark rooftops.
Why not replace roof shingles with solar-volatic cells instead, if you are going to all the trouble to modify the roof tops?
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