Potable water is most areas is a very slow resource to replenish.
You think human beings can go on growing economically for ever, do you DanS?
Please explain then the conditions of agriculture in the "fertile crescent"- the fact that large swaths of its are desert, or too salty for things to grow well is a result of 9000 years of Human use, and with nunbers far smaller than any we have today.
We may get more energy as lonmg as we want, but water and soil quality are things easily lost and regained with great difficulty.
You think human beings can go on growing economically for ever, do you DanS?
Please explain then the conditions of agriculture in the "fertile crescent"- the fact that large swaths of its are desert, or too salty for things to grow well is a result of 9000 years of Human use, and with nunbers far smaller than any we have today.
We may get more energy as lonmg as we want, but water and soil quality are things easily lost and regained with great difficulty.
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