Last November 22, Maria del Camino Martín defended her Doctoral Thesis entitled: "Leakage effects of CO2 stored in marine geological formations: kinetic mobility of trace elements from marine sediments", supervised by Dr. Javier R. Viguri from the GER research group at the UC. The evaluation committee was Dra.Inmaculada Riba from University of Cádiz and Dr. Philippe Gombert from INERIS, Verneuil-en-Halatte, France, and chaired by Dra. Ana Andrés Payán from the University of Cantabria (GER group). The Ph.D. has been made in the Chemistry and Process & Resource Engineering Department and has been supported by the financial help of the Project CTM 2011-28437-C02-01. Camino Martín was funded by means of an F.P.I. fellowship No. BES-2012-053816. In addition, Camino Martin completed her academic activities with a research stay at NTU in Trondheim, Norway. In addition to the defense, Philippe Gombert from the Ground and Underground Division/Water and Gas Department of the French National Institute for Environment and Risks- INERIS (Verneuil-en-Halatte, FRANCE), presented the conference “THE FRENCH NATIONAL INSTITUTE FOR RISK ASSESSMENT AND ITS ROLE IN CCS RESEARCH”. The collaboration between INERIS and the GER research group started in 2015 focused in the CCS risk assesment.