Today, companies are storing millions of tons of carbon dioxide underground every year to prevent this climate pollution from warming the planet. In the future it might be billions of tons. But is it dangerous to pump so much liquefied carbon below our feet? Geologist and carbon storage expert Prof. Bradford Hager joins MIT’s TILclimate podcast to explain the risks and how to avoid them.

E8: Is it safe to store CO2 underground?

Image: LeJean Hardin and Jamie Payne derivative work: Jarl Arntzen (talk) - http://www.ornl.gov/info/ornlreview/v33_2_00/research.htm, CC-BY-SA 3.0 via Wikimedia.