Website review: White Is the New Green - Science - ...
rieraci discovered this in Environment
•2 reviews since Jun 14, 2007
environment
•redorbit.com/news/science/968210/white_is_the...
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thopper rated 11 months ago- Now, to figure out how to paint my roof white without.
- laodan rated 11 months ago
- White Is the New Green via CQD, in Red orbit
Many techniques promise to mitigate global warming -- planting forests, nuclear power, bioethanol, and cars with better gas mileage, to name a few. The problem is so enormous and the potential adverse effects so disturbing that we may have to simultaneously implement all available solutions to make the slightest dent in rising carbon dioxide levels. A 20%-efficient, 1-square-meter solar panel costs about $1,000. For $1,000, you can buy 40 cans of good quality white paint. Each can covers 2,000 square meters with a nice bright reflecting film. So for the same $1,000 investment you could buy one square meter of photovoltaic cells, or cover 2,000 square meters with white paint. It would take more than 2,000 times 25 days, or about a century, for the CO mitigation from $1,000 of solar panels to catch up with the albedo increase of a large painted roof! Perhaps white will become the new green. White Is the New Green Amazing. This article illustrates the contrasted financial impact of 2 actions meant to answer the same problem of CO mitigation (global warming): - solar panels - white paint Following the calculations of the author of this article solar panels should be 50,000 times less effective than the application of white paint in term of CO mitigation...
- White Is the New Green via CQD, in Red orbit
