Learn how to report carbon emissions for regulatory compliance and stakeholder transparency in 2026.

This guide offers step-by-step best practices to ensure accurate, timely, and verified disclosures.

As climate regulations evolve, businesses must stay ahead of new requirements for carbon emissions reporting. This guide outlines the latest standards, key steps, and best practices for accurate and compliant emissions disclosure.

🌍 Why Carbon Emissions Reporting Matters

• Regulatory Compliance: New laws in the US, EU, and other regions require businesses to disclose their greenhouse gas (GHG) emissions.
• Stakeholder Expectations: Investors, customers, and partners increasingly demand transparency on environmental impact.
• Risk Management: Accurate reporting helps identify risks and opportunities for reducing emissions and costs.

📊 Key Regulations and Standards (2025)

• United States:
  • EPA Greenhouse Gas Reporting Program (GHGRP): Requires annual reporting from large emitters, fuel suppliers, and CO₂ injection sites. The 2024 reporting deadline is May 30, 2025.
  • California: SB 253 and SB 261 mandate Scope 1 and 2 emissions disclosure by 2026 (for prior fiscal year), with Scope 3 emissions to follow in 2027.
  • New York: Proposed rules (Part 253) will require mandatory GHG reporting from 2027 for large sources and all electric power entities.
  • New Jersey and Other States: Similar bills are under consideration, with phased-in requirements for Scope 1, 2, and 3 emissions.
• European Union:
  • Corporate Sustainability Reporting Directive (CSRD): Requires comprehensive sustainability disclosures, including detailed Scope 1, 2, and 3 emissions data.
  • European Sustainability Reporting Standards (ESRS): Provide a framework for consistent and transparent reporting.

🔍 How to Report Carbon Emissions: Step-by-Step

1. Determine Your Reporting Obligations

• Identify Applicable Laws: Check federal, state, and international regulations relevant to your business operations.
• Scope Your Emissions: Define which emissions (Scope 1, 2, and/or 3) you must report.

2. Collect and Organize Data

• Gather Activity Data: Collect information on energy use, fuel consumption, business travel, and supply chain activities.
• Use Standardized Tools: Leverage carbon accounting software or EPA’s e-GGRT platform for data collection and management.

3. Calculate Emissions

• Apply Emission Factors: Convert activity data into CO₂ equivalents using recognized emission factors.
• Use Recognized Standards: Follow frameworks like the GHG Protocol, ISO 14064, or ESRS for consistent calculations.

4. Prepare Your Report

• Format According to Requirements: Structure your report as specified by regulators (e.g., EPA, California, EU).
• Include All Required Elements: Provide details on methodology, data sources, and any third-party assurance.

5. Submit and Disclose

• Meet Deadlines: Submit reports by the required date (e.g., May 30 for EPA GHGRP, or as specified by state laws).
• Public Disclosure: Where required, publish emissions data on your website or through designated platforms.

6. Assurance and Verification

• Third-Party Assurance: Many new regulations require independent verification of your emissions data.
• Maintain Documentation: Keep records of all data, calculations, and assurance reports for audits.

📈 Best Practices for Carbon Emissions Reporting

• Stay Updated: Monitor regulatory changes and emerging standards in your jurisdiction.
• Engage Stakeholders: Involve internal teams and external partners in data collection and reporting processes.
• Leverage Technology: Use digital tools and software to automate data collection, calculation, and reporting.
• Train Your Team: Ensure staff understand reporting requirements and best practices.

🚀 Key Takeaways

• New regulations require detailed, transparent reporting of Scope 1, 2, and 3 emissions.
• Third-party verification is increasingly mandatory.
• Digital tools and standardized frameworks simplify compliance.
• Early preparation and ongoing monitoring are essential for success.

📝 Sources and References

• EPA Greenhouse Gas Reporting Program (GHGRP)
• California Climate Disclosure Laws (SB 253, SB 261)
• New York Proposed GHG Reporting Rule (Part 253)
• European Sustainability Reporting Standards (ESRS)
• Carbon Accounting Standards

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