Ethanol's Failed Promise

By Lester Brown and Jonathan Lewis
Washington Post
Tuesday, April 22, 2008

The willingness to try, fail and try again is the essence of scientific progress. The same sometimes holds true for public policy. It is in this spirit that today, Earth Day, we call upon Congress to revisit recently enacted federal mandates requiring the diversion of foodstuffs for production of biofuels. These "food-to-fuel" mandates were meant to move America toward energy independence and mitigate global climate change. But the evidence irrefutably demonstrates that this policy is not delivering on either goal. In fact, it is causing environmental harm and contributing to a growing global food crisis.

Food-to-fuel mandates were created for the right reasons. The hope of using American-grown crops to fuel our cars seemed like a win-win-win scenario: Our farmers would enjoy the benefit of crop-price stability. Our national security would be enhanced by having a new domestic energy source. Our environment would be protected by a cleaner fuel. But the likelihood of these outcomes was never seriously tested, and new evidence has shown that the justifications for these mandates were inaccurate.

It is now abundantly clear that food-to-fuel mandates are leading to increased environmental damage. First, producing ethanol requires huge amounts of energy -- most of which comes from coal. Second, the production process creates a number of hazardous byproducts, and some production facilities are reportedly dumping these in local water sources.

Third, food-to-fuel mandates are helping drive up the price of agricultural staples, leading to significant changes in land use with major environmental harm. Here in the United States, farmers are pulling land out of the federal conservation program, threatening fragile habitats. Increased agricultural production also means increased fertilizer use. The National Academy of Sciences reported last month that meeting the congressional food-to-fuel mandate by 2022 would lead to a 10 to 19 percent increase in the size of the Gulf of Mexico's "dead zone" -- an area so polluted by fertilizer runoff that no aquatic life can survive there.

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