Chart: The Complicated Relationship Between Ethanol and Corn Production Chart: The Complicated Relationship Between Ethanol and Corn Production
The GOOD Life

Chart: The Complicated Relationship Between Ethanol and Corn Production

by Nicola Twilley

March 5, 2011

Conventional wisdom says that growing corn to produce ethanol is to blame, at least in part, for the current food price spikes that are hitting headlines and fueling revolutions—and that disproportionately hurt the world's poor.

So far, they've come up with these charts, which clearly illustrate the increase in both corn production and ethanol facilities (blue dots) over the past decade. They also show the geographic correlation between corn and ethanol production—both have expanded northwest through Minnesota and into the Dakotas. The question Kirwan and Sneeringer are trying to answer is a chicken-and-egg one—do ethanol facilities sprout up where corn is already bountiful, or is the arrival of an ethanol facility the reason that corn production expands?

In a future of limited resources (land, water, and fossil fuels) and increased demand (population growth), the tension between biofuels and food is just one of a larger set of difficult decisions we'll be facing more and more often. Kirwan and Sneeringer's research aims to untangle the ways supply and demand interact with markets and policy, which is exactly the kind of nuanced information we need to understand the global consequences of our agricultural and economic policies—and make better use of earth's remaining assets. I'll keep you posted on their future findings.

Charts via ideaHarvest.

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Chart: The Complicated Relationship Between Ethanol and Corn Production