Review of GHG Accounting Rules for CCS A range of greenhouse gas (GHG) monitoring and accounting protocols and guidelines currently exist for carbon capture and storage (CCS) activities, and various activities continue in this area. This report aims to provide a comparative review of how current GHG accounting rules apply to CCS activities worldwide. These include international, regional and national approaches employed under policies and measures such as mandatory GHG emissions reporting, carbon taxes and emission trading schemes (ETS). Twelve GHG accounting schemes and nine CCS-specific accounting schemes are reviewed. Based on the review, the report identifies issues, gaps and potential barriers
