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CO2 on Path to Cross 400 ppm Threshold for a Month
2014-03-18 20:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate Central: Last year, atmospheric carbon dioxide briefly crossed 400 parts per million for the first time in human history. However, it didn't cross that threshold until mid-May. This year's first 400 ppm reading came a full two months earlier this past week and the seeming inexorable upward march is likely to race past another milestone next month. "We're already seeing values over 400. Probably we'll see values dwelling over 400 in April and May. It's just a matter of time before it stays over 400 forever,'...
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Category:Electronics and Electrical