The portal "planet earth" reports on the research program GEOTECHNOLOGIEN and its projects. For this purpose Sonja Martens gave an interview on "CO2 in the underground". Sonja Martens was the coordinator of the CO2MAN project from 2010 to 2013.
Interview on the portal "planet earth":
http://planeterde.de/geotechnologien/aktuell/speicherung-von-co2-im-untergrund