Corporate carbon accounting enables companies to identify and quantify their carbon footprint, set targets for emissions reduction, and track progress over time. Carbon accounting is increasingly becoming an essential tool for companies looking to demonstrate their commitment to sustainability and to meet the expectations of investors, customers, and regulators. Although the Greenhouse Gas (GHG) Protocol set a global standard for corporate accounting, numerous approaches have emerged as companies with diverse product lines face challenges in the accurate measurement of full supply-chain emissions.