Urban Heat Islands, White Roofs and Climate Change


Urban heat island profile

Image via Wikipedia

Effects of Urban Surfaces and White Roofs on Global and Regional Climate (Abstract, Mark Z. Jacobson, John E. Ten Hoeve, Journal of Climate, Sep. 12, 2011)

From the meteorological modelling community comes an article today examines the significance of urban heat islands as a factor in climate change– turns out that it is not.  It also tests the hypothesis that painting roofs white would reduce the amount of warming of the atmosphere and thereby delay climate change. The model shows that the converse is true because there would be less heating at the surface resulting in less convection and less cloud which globally would allow more sunlight to warm the atmosphere.

To see Key Quotes and Links to key reports about this post, click  HERE

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