Contains 6 SCCS technical briefings, technical letters and technical journal responses - Working Paper 2010-04: Popular response to Economides, CO2 storage is feasible; Working Paper 2010-05: Formal response to Economides, CO2 storage is feasible; Working Paper 2010-07: Comment on Little and Jackson: Potential Impacts of Leakage from Deep CO2 Geosequestration on Overlying Freshwater Aquifers; Working Paper 2012-01: Comment by Stuart Haszeldine on Zoback and Gorelick; Working Paper 2014-01: Sleipner CO2 securely stored deep beneath seabed, in spite of unexpected Hugin fracture discovery; Working Paper 2015-02: Carbon Dioxide Transport Plans for Carbon Capture and Storage in the North Sea Region - A summary of existing studies and proposals applicable to the development of Projects of Common Interest.