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Carbon Dioxide Level Passes Long-Feared Milestone
2013-05-10 12:50:00| Climate Ark Climate Change & Global Warming Newsfeed
New York Times: The level of the most important heat-trapping gas in the atmosphere, carbon dioxide, has passed a long-feared milestone, scientists reported Friday, reaching a concentration not seen on the earth for millions of years. Scientific instruments showed that the gas had reached an average daily level above 400 parts per million just an odometer moment in one sense, but also a sobering reminder that decades of efforts to bring human-produced emissions under control are faltering. The best available...
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