Thanks to Joe Bish for this article.
Editor’s Note: A recent report from the Food and Agriculture Organization (FAO) of the UN has concluded that soil erosion is a critical threat to food security. Increasing world population means that more food will need to be produced. Yet little new land exists for cultivation. Further, farmland is being lost at an accelerating rate due to erosion, desertification and salinisation. Solutions to combat these problems are presented in this article from the Guardian including tree belts and crop substitution.
Soil erosion threatens to leave Earth hungry Arable land is turning to desert or to salt at an ever-faster rate, lessening the hope that we can feed our booming population.
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