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View Diary: Food Security: Put Your Money Where Your Mouth Is (14 comments)

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    side pocket, alain2112

    Energy Use in the US & Global Agri-Food Systems: Implications for Sustainable Agriculture

    Thanks to modern mechanization, the time input necessary to raise a hectare of corn is 110 times less than that required by hand-produced crops (Pimentel 464).
    then read this!
    In 2007, one-fifth of the United States’ entire grain harvest s watransformed into ethanol, but the 8.3 billion gallons of ethanol produced that year could only supply less than 4 percent of the country’s automotive fuel (Brown 39). Moreover, it takes 65 percent more energy to produce 1000 liters of ethanol than the energy that is derived from those 1000 liters. Thus, ethanol production has a negative energy balance (Pimentel et al. 15-6). Diverting a large portion of the U.S. grain harvest to ethanol production has serious ramifications for the world’s poor. Worldwide, grain prices have increased dramatically, with the price of wheat more than doubling in 2007, setting off food riots in countries across the globe that same year (Brown 40). Ethanol production in its current form has no place in sustainable agriculture because it actually presents a net energy loss and because it is pricing food out of reach for the world’s poorest people.

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