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Reply #12: whether 9 billion people is way too many is open to debate [View All]

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treepig Donating Member (1000+ posts) Send PM | Profile | Ignore Wed Aug-13-03 07:06 AM
Response to Reply #10
12. whether 9 billion people is way too many is open to debate
do a google search on the 'carrying capacity of the earth' (or something like that) and you'll see that many views exist concerning the maximum number of people the earth could support. some range upwards of 40 billion.

problems in sustaining large populations seem to be more in the areas of human nature/politics/quality-of-life than strictly technical or scientific. probably the biggest challenges are growing enough food, having enough water, and having sustainable sources of energy (note that with enough energy, the food and water issues are solved) - having enough living space isn't really a huge issue - for example if the whole country was populated at the same density as rhode island or new jersey (crowded-yes!, totally miserable-not really?) the majority of the world's population could fit into the usa.



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