Damaging the Earth to Feed Its People

New York Times: On a warming planet, humanity faces a great challenge in feeding itself at reasonable cost in the coming century, as I explain in Sunday’s paper. An issue I raise only in passing in the article is that agriculture itself is one of the earth`s greatest environmental threats. To put a finer point on it, farming and livestock grazing are not just potential victims of climate change -- they are major causes of it. Humans are cultivating almost 40 percent of the land surface of the earth, and nearly......

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