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22nd Feb 2010

Does ploughing snow cause global warming?


Diana O'Carroll
Snowy trees on mount Brocken, Harz, Germany

In this seasonal Question of the Week we explore how removing the lovely white reflective stuff might cause the whole world to warm up. Plus, we ask how wet T-shirt competitions work (the science behind it, that is)!

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QotW

(c) Teemu Vehkaoja @ wikipedia

Does snow cool the world by reflecting light?

I've read that painting rooftops white can help to cool cities. So does ploughing away the snow warm the earth up and add to global warming?




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