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Each Human being has ten slaves of CO2 equivalent
 

Each Human being has ten slaves of CO2 equivalent


Fig.1 Annual Resource Use in 2000 (Unit: Giga ton per year)

Human being emit 24 G ton CO2 by burning 8 Giga ton of fossil fuels such as coal, oil, and gas, combining 16 Giga ton oxygen in the air. NASA space studies measured that a man emits one kg CO2 every day by breathing. This number suggests that 6.8 Giga human population emits 2.4 Giga ton CO2 on the planet earth by breathing a year. This means a human has 10 slaves of CO2 equivalent. This is global average. A US citizen has 55 slaves, and a Japanese has 25 slaves to live convenient life.


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