This report compares legal responsibility and carbon capture and storage (CCS) in four countries: the UK, Canada, Australia, and the US. The report discusses the current legal situation in each country and the challenges and opportunities for CCS. The report concludes that while legal frameworks for CCS vary across countries, they all recognize the importance of balancing environmental, economic, and social considerations. The report is a valuable resource for policymakers, industry leaders, and researchers interested in the legal aspects of CCS.