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Per capita share of atmosphere and CO2
Per capita share of atmosphere and carbon dioxide (CO2). Illustration showing the volume of air for each person on Earth (population assumed to be 7 billion), and each person's share of the CO2 (smaller column, lower centre). The Statue of Liberty (lower left) provides a scale. This volume, representing 735,000 tonnes, is shown as a cube 840 metres high. The smaller column of CO2 is 79 metres high and represents 446 tonnes for each individual. This volume of CO2 is split into a larger natural part (lower section, green) and a smaller man-made component (upper section, red). The CO2 percentages are 70 percent natural and 30 percent man-made.
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