Food prices on the rise.

This is inconvenient for us in the developed world but a serious source of concern for those who spend a large fraction of their income on food. Increasing food prices are to be expected with the acension of China, the role of huge corn subsides is also signifiant.  The real question is are these the only sources to this trend or is food production being stressed by physical limits
such as water availability, soil qaulity etc.,

Limits to Growth and Plan B 2.0 are two books that i would reccomend as a backgrond to this issue.

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