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| CO2 Level | Forests | Desertification | GDP | Sea Life | Population | ||||||
| 2009 | 1.72 | 2009 | 3,952 | 2009 | 2000-2005 | 13155.0 | 2009 | 75% | 2010 | 1.31 | |
| 2008 | 1.66 | 2008 | 3,989 | 2008 | 5,169.1 | 1990-2000 | 13141.9 | 2008 | 69% | 1990 | 1.57 |
| 2007 | 2.12 | 2007 | 4,077 | 2007 | 2007 | 1980 | 1.76 | ||||
| DOWN | UP | DOWN | UP | DOWN | UP | DOWN | UP | DOWN | UP | DOWN | UP |
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A continual increase of any one criterion may cause a catastrophic collapse of civilization. |
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| Meter | Why | ||||||||||
