Photo: Wikipedia, Public domain It Could Work We usually hear about pumping CO2 underground in the context of carbon capture and storage (CCS). But there might be another use for that CO2 in the field of geothermal power. It hasn’t been proven to work yet, but some money from the Federal stimulus funds has started to flow to 9 projects that want to test

this out. The idea is: “Carbon dioxide that’s cycled through hot regions kilometers underground can efficiently bring heat to the surface, where it can be used to generate electricity. The likelihood is that the process would leave lots of ca… Read the full story on TreeHugger

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Pumping CO2 Underground to Extract Geothermal Energy