Unlike trash disposal, carbon dioxide cannot be dumped ina landfill, shipped away or burned.
But some Pennsylvania lawmakers hope to find another place for the greenhouse gas that scientists implicate as the main cause of global warming.
They're looking to bury it.
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.
