was into similar salt caverns that most of Europe’s emergency gas was pumped after Russia invaded Ukraine in 2022, to be stored there as a kind of energy bank to get the continent through winter without gas from Siberia. America’s Department of Energy has a Strategic Petroleum Reserve, which keeps crude oil in old subterranean salt chambers in Texas and Louisiana. And such places are already being readied for a new future, where they can be used to store carbon dioxide captured from the environment and sequestered underground to reduce atmospheric greenhouse gases. These are the places where
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