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The nation's first commercial carbon sequestration plant is in Illinois. It leaks.

grist.org The nation's first commercial carbon sequestration plant is in Illinois. It leaks.

Citizens in Decatur, Illinois, are alarmed to hear there were two leaks in the CCS plant run by Archer-Daniel-Midlands.

The nation's first commercial carbon sequestration plant is in Illinois. It leaks.

But if CCS operations leak, they can pose significant risks to water resources. That’s because pressurized CO2 stored underground can escape or propel brine trapped in the saline reservoirs typically used for permanent storage. The leaks can lead to heavy metal contamination and potentially lower pH levels, all of which can make drinking water undrinkable. This is what bothers critics of carbon capture who worry that it’s solving one problem by creating another.

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