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China bars corn ethanol due to high food costs

By Dennis T. Avery
web posted June 25, 2007

China has just banned further expansion of its corn ethanol industry, after a radical 43-percent increase in pork prices over the past year. Xu Dingming of the Chinese National Energy Leading Group told a recent seminar that "Food-based ethanol fuel will not be the direction for China." The Chinese turnabout comes as President Bush is cheerleading a massive corn ethanol expansion, supposedly to help the U.S. achieve "energy independence."

Unfortunately, U.S. corn land produces only 50 gallons worth of gasoline per acre per year—against an annual gasoline demand of 135 billion gallons. New U.S. ethanol plants coming on line could take 30 percent of next year's U.S. corn for auto fuel—an unprecedented diversion of the world's scarce cropland. Supplying the Bush goal of 35 billion gallons of ethanol per year would currently force farmers to clear more than 200 million acres of Midwest forest to supply even 10 percent of our gasoline demand from corn ethanol.

Even without ethanol demand, farmers would need to triple existing crop yields over the next 40 years. Population growth is likely to produce a peak human population of 8–9 billion. Economic growth will raise the number of affluent consumers from today's 1.5 billion to 7 billion—accompanied by soaring demand for meat, milk, eggs and pet food.

World corn prices are already nearly double last year's level, and wheat prices are up 10 percent. Mexican consumers are in the streets protesting a 60 percent tortilla price increase. Midwest economist Tom Elam says current oil prices will support corn at $4.50 per bushel. A serious drought or crop disease could drive corn to $6 per bushel.

Why did the environmental movement, which is pledged to defend the wildlands, silently approve Bush's corn ethanol diversion and risk a massive forest loss? I would guess it's because the world is currently building or planning more than 40 new nuclear power plants. The Greens didn't wage their 30-year campaign against fossil fuels just to produce a shift to nuclear-powered air conditioners; they want dramatic reductions in humanity's use of technology.

The Kyoto Protocol demands we eliminate at least 80 percent of the world's current energy sources. Solar and windmills have proven woefully inadequate to supply our base energy needs. There is currently no cost-effective way to produce ethanol from cellulose sources such as wood chips or switchgrass.

Brazilian sugarcane is three times more efficient at converting sunlight to transport fuel, mainly because corn-growing takes more diesel fuel, more fossil-fueled fertilizer, and lots of natural gas to heat the conversion process. But even ethanol from sugarcane is more expensive than gasoline with oil at $65 barrel.

The deeper reality is that fossil fuels probably aren't to blame for our global warming. Roman histories and modern studies of ice cores, seabed sediments and fossil pollen all agree that the world has a moderate, natural 1,500-year climate cycle. That cycle explains most, or all, of the planet's warming since 1850. There is no evidence that human-emitted CO2 has significantly increased global temperatures. We will probably have a moderate warming for the next several hundred years no whether we burn fossil fuels or not. Then we will have centuries of colder weather.

Let's keep our trees. Let's forget the Kyoto Protocol. Instead, let's get rid of the trade barriers that prevent American farmers from selling their corn and meat to the increasingly affluent consumers in densely populated Asian countries. Then both our farmers and our urban consumers can move sustainably forward into the 21st century. ESR

Dennis T. Avery was a senior policy analyst for the U.S. State Department, where he won the National Intelligence Medal of Achievement. He is the co-author, with atmospheric physicist Fred Singer, of the book, Unstoppable Global Warming—Every 1500 Years, available from Rowman & Littlefield. Readers may write him at the Center for Global Food Issues, Post Office Box 202, Churchville, VA 24421.

 

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