Friday, September 2, 2011

Painting buildings white to ensure that the earth absorbs less of the sun's heat. Safe. Useless. Expensive.

This is not to suggest that we should dismiss all geo-engineering techniques out of hand. But, like liposuction, none of those being proposed are simultaneously safer, cheaper and more effective than addressing the problem at source. This means reducing our greenhouse gases. A good diet and plenty of exercise are better than the knife.


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