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Global carbon dioxide levels set to pass 400ppm milestone
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| inbluevt | Date: Tuesday, 2013/04/30, 8:42 PM | Message # 1 | DMCA |
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The concentration of carbon dioxide in the atmosphere has reached 399.72 parts per million (ppm) and is likely to pass the symbolically important 400 ppm for the first time in the next few days.
Readings at the government's Earth Systems Research Laboratory in Hawaii, are not expected to reach their 2013 peak until mid May, but recorded at a daily average of 399.72 on 25 April. The weekly average stood at 398.5 on Monday.
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| Scorpone | Date: Tuesday, 2013/04/30, 9:37 PM | Message # 2 | DMCA |
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 Major
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Messages: 133
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We are living in a nightmare
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| Keithfan | Date: Wednesday, 2013/05/01, 2:02 AM | Message # 3 | DMCA |
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Have we passed the tipping point?
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