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Old 08-27-2009, 11:57 AM   #32
JimmytheT
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Join Date: Aug 2005
Location: Bentley, Alberta
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I have not read through every single post, but from what I can tell, no one has mentioned soils.

At the end of the day, our sustainability as a species (at the current population level) depends on our ability to produce food. Good quality soils are becoming harder and harder to come by; in many places in the world, existing good soils are getting degraded year after year. Moving from non-sustainable agriculture practices to sustainable ones is one of the biggest challenges (and currently a very underrated one by the public at large) our species' will face over the the next century.

We may see conflicts--particularly in the population bubbles of Asia--arising from the need to grab up more arable land for the mother country.
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