by Christopher Swope, Governing.com
On a ranch outside Cranfield, Mississippi, workers for the state's largest oil and gas operator are shooting a dense liquid 10,300 feet into the earth. The liquid is a supercritical form of carbon dioxide that serves a valuable purpose for Denbury Resources Inc. Oozing through porous rock, the CO2 mixes with oil and pries it out from underground nooks that otherwise would be hard to reach. Denbury pumps the slimy blend back out of the ground, sells the oil and sends the carbon dioxide back down, repeating the cycle until a well runs dry.
What geologists want to know is what happens to the CO2 that's left behind.
Continue reading Can We Solve Global Warming by Storing CO2 Underground?.
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