CO2Updates
CO2 levels on Mauna Loa in June 2008 were 388.02ppm, up 2.04ppm (0.5%) from a year before.
| CO2Updates CO2 levels on Mauna Loa in May 2008 were 388.49ppm, up 1.95ppm (0.5%) from a year before. |
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| CO2Updates Global CO2 levels in March 2008 were 386.17ppm, up 2.43ppm (0.6%) from a year before. |
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| CO2Updates CO2 levels on Mauna Loa in April 2008 were 387.19ppm, up 0.82ppm (0.2%) from a year before. |
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