ICMAI Launches First Edition of Guidance Note on Environmental Costing

The Institute of Cost Accountants of India (ICMAI) has released the first edition of its “Guidance Note on Environmental Costing” in April 2025, marking a significant advancement in integrating environmental responsibility within cost and management accounting frameworks. Developed by the Taskforce on Cost and Carbon Convergence, this Guidance Note introduces a Holistic Environmental Costing (HEC) Framework, aimed at helping businesses systematically identify, measure, and manage their environmental footprint.

The Guidance Note is a strategic resource for organisations to meet the growing demand for environmental transparency, particularly under SEBI’s Business Responsibility and Sustainability Reporting (BRSR) requirements. It encompasses detailed guidance on measuring environmental impact across five core categories: GHG emissions, non-GHG emissions, water usage, waste generation, and biodiversity effects. These dimensions are mapped throughout the operational lifecycle of a product or service, design, production, usage, and disposal, providing a full-spectrum environmental cost profile.

Built upon familiar accounting principles such as Activity-Based Costing (ABC) and Lifecycle Costing (LCC), the HEC framework supports granular environmental impact assessment at the process or machine level. By assigning environmental costs to each operational activity, businesses can identify inefficiencies, evaluate sustainability performance, and implement mitigation strategies with clarity. The note includes practical tools such as cost allocation tables, emission factor references, and impact mapping techniques, making it suitable for new adopters and experienced professionals.

Beyond regulatory compliance, the Guidance Note outlines multiple applications of HEC data, enabling internal efficiency improvements, enhanced risk assessments, strategic ESG disclosures, green finance eligibility, customer reporting, and investor communication. It also facilitates limited and reasonable assurance processes, supporting credibility in sustainability claims. Notably, the structured data approach aligns with international sustainability standards such as the Global Reporting Initiative (GRI), the International Sustainability Standards Board (ISSB), and the Carbon Disclosure Project (CDP).

With this release, ICMAI reinforces its commitment to sustainable business practices and the convergence of cost accounting with environmental stewardship. The Guidance Note is now available for download through the ICMAI website. It is recommended reading for industry professionals, sustainability officers, regulators, and academics seeking to advance climate accountability in business.

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