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Any ideas to spare energy, ruduce waste etc. Post it here.
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Make all roofs and roads white

Environ
I red an article about a temperature drop in Spain. It was observed through satellites that the temperature dropped in a particular region in Spain where soil was covered with white plastic for the growth of vegetables.

We can't cover the whole world with white plastic, but why not make our roads white in stead of black? And make for example the roofs of our houses white! This way we can cover several percentages of the surface and make the temperature drop!

Black absorbs heat while white repels heat. This wisdom is well known in all countries where there is a lot of sunshine.

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Started: 23/02/2011 16:44