Percolating CO2 and an ‘invisible’ water supply

Daily Climate: Leaking underground CO2 storage could contaminate drinking water Leaks from carbon dioxide injected deep underground to help fight climate change could increase contaminant levels tenfold or more in drinking water aquifers if it inadvertently bubbles up through groundwater, according to a new study from Duke University scientists. Leaking carbon dioxide changes the water's chemistry, leaching heavy metals, uranium, barium and other contaminants from nearby rock and soil at levels above the......

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