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Ask Slashdot: Large-Scale DIY Outdoor Cooling of Cairo's Tahrir Square? 259

ClimateHacker writes "The struggle for freedom is still ongoing in Egypt and one of the many challenges that face the demonstrators in Tahrir Square is the sweltering heat. Skies are mostly clear and temperatures can reach up to 44 degrees Celsius (111 F) with hardly any shade. The risk of life-threatening heat stroke is quite real. I ask clever Slashdotters out there for novel DIY passive and active ambient cooling techniques. Perhaps some ideas could be a model for saving energy on cooling elsewhere."
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Ask Slashdot: Large-Scale DIY Outdoor Cooling of Cairo's Tahrir Square?

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  • by lkcl ( 517947 ) <lkcl@lkcl.net> on Monday July 11, 2011 @07:18AM (#36718550) Homepage

    slighly off-topic: two major cities - tel aviv and bangalore - cut down large numbers of trees in order to make room for more people. the immediate result was a rise of 10 Centigrade in bangalore (from 45C to 55C). in tel aviv's case, not only did the temperatures rise but also migrating birds no longer have a stop-over point half way along their route between the two hemispheres.

    not that planting some saplings in a public place is going to help in the immediate short-term, i appreciate...

"If you can, help others. If you can't, at least don't hurt others." -- the Dalai Lama