This poster on the UKCCSRC Call 1 project CO2 storage in Palaeogene and Neogene hydrogeological systems of the North Sea: preparation of an IODP scientific drilling bid was presented at the CSLF Call project poster reception, London, 27.06.16. Grant number: UKCCSRC-C1-30. The North Sea Basin (NSB) is considered to be suitable for commercial-scale CO2 storage, due to its favourable geological setting, its proximity to sources, and pioneering operational experience storing CO2 at the Sleipner injection site. The shallow Neogene and Quaternary sediments of the NSB form the overburden and seal to these underlying CO2 reservoirs but are under-researched, even though the NSB is a mature petroleum system, penetrated by many thousands of wells. Quaternary sediments, up to 1000 metres thick, are in general bypassed to reach the deeper, profitable hydrocarbon resources. UKCCSRC and CLIMIT programme funded scientific, governmental and industrial partners from the UK and Norway to collaborate with the purpose of submitting a proposal to the International Ocean Discovery Program (IODP) for scientific drilling to investigate the overburden to CO2 storage strata.