Millions Of Tonnes Buried By Norwegian Platform Sleipner Platform: With planet Earth engaged in a heated race against global warming, "carbon capture and storage' (CCS) has brought a ray of hope, and a Norwegian gas platform is leading the way. The Sleipner platform in the North Sea, a mammoth steel and cement structure, has successfully buried millions of tonnes of CO2 under the seabed for the past 12 years in a pioneering project.