SK Earthon is exploring potential carbon dioxide (CO2) storage sites in the seas surrounding the Korean Peninsula, in collaboration with Hanyang University, the Korea Institute of Geoscience and Mineral Resources, and the Korea National Oil Corporation.

The Shepherd CCS Project set forth by SK Energy, SK Earthon, Samsung Engineering, Samsung Heavy Industries, Lotte Chemical, Petronas, and now joined by Korea National Oil Corporation, Hanwha Corporation, Air Liquide Korea, and Shell Gas & Power.