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Human Population Size Is Limiting Population Growth a Key Factor ...

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• Wackernagel et al. -- U.S National Academy of Sciences<br />

• <strong>Human</strong>'s demands exceeded earth's regenerative<br />

capacity by 20% in 1999<br />

• a "bubble econonmy" is going on with food<br />

production<br />

• UN Demographers -- in 2003, life expectancy in sub-<br />

Saharan Africa has gone from 62 to 47 years<br />

• HIV may claim more lives than all the wars of the<br />

20th Century

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