Two new modeling studies are tackling simulations of long-term CO2 storage. The first examines leakage of stored CO2 from abandoned oil wells. The second attempts to simulate the big picture, starting with capture and leading to injection and storage, evaluating costs and risks of potential sites.

Both papers are published online at Environmental Science & Technology. Both simulate projects that aim to capture CO2 from power plants and store it underground in aquifers or sedimentary deposits. Pilot carbon capture and storage projects are currently underway in Germany, Norway, Canada, Algeria, and the U.S