Out Of Sight, Out Of Mind – Redux

Here’s another answer to the excess of carbon dioxide in the atmosphere – why don’t we just hide the stuff away in deep sea sediments? The proponents of the idea claim that even an earthquake wouldn’t release it. Disregarding the issue that it does nothing to address the release of greenhouse gases and merely sweeps the problem under a metaphorical carpet, and also the potential of raised sea levels doing what earthquakes cannot, there is one obvious flaw – won’t it take a lot of energy to extract the gas and pump it a few miles beneath the ocean?