Researchers found a way to suck planet-warming carbon dioxide (CO2) from industrial smokestacks using a chemical technique similar to one scuba divers and submarines use to “rebreathe” CO2-rich exhalations, that takes about 24% less energy than a process commonly used in smokestack “scrubbers.

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Researchers found a way to suck planet-warming carbon dioxide (CO2) from industrial smokestacks using a chemical technique similar to one scuba divers and submarines use to “rebreathe” CO2-rich exhalations, that takes about 24% less energy than a process commonly used in smokestack “scrubbers.