It may seem counterintuitive, but one way to reduce carbon dioxide emissions to the atmosphere may be to produce pure carbon dioxide in power plants that burn fossil fuels. In this way, greenhouse gases — once isolated within a plant — could be captured and stored in natural reservoirs, deep in Earth’s crust.
Such “carbon-capture” technology may significantly reduce greenhouse gas emissions from cheap and plentiful energy sources such as coal and natural gas, and help minimize fossil fuels’ contribution to climate change. But extracting carbon dioxide from the rest of a power plant’s byproducts is now an expensive process requiring huge amounts of energy, special chemicals and extra hardware.
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