According to this article human activity has increased the rate of erosion about 100-fold. This is not surprising to me. I recall my agronomy instructor about 35 years ago using the last day of class to give a slide show to discuss the erosive effects of plowing and building construction. This is also why I have always been strongly against using land to grow biofuels. In this article I wrote a few years ago, I reference other research suggesting that biofuels may have played...


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