State lawmakers among those who believe Pennsylvania's geology can store at least 100 years worth of the state's annual carbon dioxide emissions, reports the Express-Times.

Carbon capture and sequestration would take a stream of compressed carbon dioxide directly from electric utilities and pump it underground into depleted oil fields, shale formations and aquifers thousands of feet below ground. There, proponents hope, the gas will be permanently stored.

Pumping millions of pounds of pressurized gas more than 2,500 feet below ground is not easy.  Some environmental groups and power companies say carbon capture and storage is still decades away from being commercially feasible.

Original Souce: Express-Times
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