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Storing Greenhouse Gases by Petrifying Them


Capturing carbon dioxide and storing it underground could help address climate change, but some experts worry that the gas will leak back out.

Research described in the journal Science points to a more secure way of storing it—as rock. The scientists showed that when carbon dioxide is pumped along with water into certain types of underground formations, it reacts with the surrounding rock and forms minerals that could sequester the carbon dioxide for hundreds or thousands of years.

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