GHG accounting, or greenhouse gas accounting, is the process of measuring and reporting the emissions your business generates—directly and indirectly. It helps you understand your carbon footprint across three key scopes: Scope 1: Direct emissions from owned sources (e.g., company vehicles, boilers) Scope 2: Indirect emissions from purchased electricity, heat, or cooling Scope 3: All other indirect emissions, like those from supply chains, business travel, and waste/