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Greenhouse gases reach record levels in 2009 - WMO
28/11/2010 by admin.
According to the World Meteorlogical Organization, 2009 (the latest year they have figures for) reached record levels for the greenhouse gases.
Carbon Dioxide (CO2) is now 386.8 ppm (pre-industrial era level was 280 ppm)
Methane (CH4) is now 1803 ppb (pre-industrial era level was 700 ppb)
Nitrous Oxide (N2O) is now 322.5 ppb (pre-industrial level was 270 ppb)
You can see all the details in the WMO document here.
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