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Two climate change numbers we ignore at our own peril
2013-05-19 09:06:00| Climate Ark Climate Change & Global Warming Newsfeed
Daily Camera: In the rarefied air of Mauna Loa Observatory in Hawaii, which sits 11,141 feet above sea level, scientists have charted the passing of a milestone that, if ignored, heralds a future for civilization both tragic and chaotic. I'm referring to the concentration of carbon dioxide in the atmosphere, which Charles David Keeling began monitoring in 1958. At that time, CO2 concentration was 313 parts per million (ppm). We are now at 400 ppm, and that is not good news. Why is this number so important?...
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Category:Electronics and Electrical