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. 2001 Apr 10;98(9):4850–4854. doi: 10.1073/pnas.081078998

Figure 1.

Figure 1

Per-capita fossil CO2 emissions in 1999 averaged for nine geographical regions and grouped into Annex 1 and non-Annex 1 countries. Height of bars gives the average per-capita annual emissions of each region. Width of bars gives the population. Area of bars is proportional to the 1999 CO2 emissions from fossil fuels and cement production; the percentages given indicate the fraction of 1999 global emissions attributed to each region.