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A coalition of downstate Illinois environmental groups is warning rural landowners about potential safety and financial hazards from a planned carbon sequestration project in the region.
Illinois’ sandstone geology is considered ideal for below-ground carbon sequestration. Several such projects in the state have been proposed and researched in the past without coming to completion, as carbon capture and sequestration at scale remains an expensive and largely untested technology.
That could change with a Texas company’s proposed Heartland Greenway project, a 1,300-mile pipeline network that would carry carbon dioxide from ethanol plants in five Midwest states to central Illinois, where up to 15 million metric tons would be stored in “pore space” located under thousands of acres of farmland and other rural property.