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Harmonizing GHG Emissions Reporting: A New Era of Clarity in Sustainability Disclosure
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This week’s reading time: 5 minutes
Welcome to another edition of The Green Executive Briefing. In under 10 minutes, you’ll be fully updated on the latest happenings in Sustainability and ESG every Tuesday at 8am EST. 🌎
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In this edition, we'll cover:
GRI 305 & IFRS S2 Alignment: Discover how these major sustainability reporting frameworks share up to 80% of their core GHG emissions requirements. 🤝
Key Framework Commonalities: Learn about the shared approaches to Scope 1, 2, and 3 emissions reporting, and why this matters for your disclosure strategy. 📊
Critical Differences to Watch: Navigate the distinct requirements for market-based emissions, biogenic CO2, and financial sector reporting. ⚡
Implementation Best Practices: Get practical tips for streamlining your reporting process while maintaining compliance with both standards. 💡
Strategic Advantages: Understand how aligning with both frameworks can enhance investor confidence and stakeholder trust in your sustainability reporting. 📈
Action Steps: Clear guidance on assessing your current reporting framework and building an integrated approach for the future. 🎯

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Harmonizing GHG Emissions Reporting: A New Era of Clarity in Sustainability Disclosure
Breaking Down the Convergence of GRI 305 and IFRS S2
The sustainability reporting landscape is experiencing a significant shift as GRI 305 and IFRS S2 demonstrate remarkable alignment in greenhouse gas (GHG) emissions reporting. For sustainability leaders navigating these frameworks, understanding their interoperability offers a strategic advantage in meeting both investor and stakeholder expectations.
Strong Foundations: Where the Standards Align
The alignment between GRI 305 and IFRS S2 creates a robust foundation for comprehensive GHG reporting:
Both require disclosure of Scope 1, 2, and 3 emissions in metric tonnes of CO2e
Coverage of all seven Kyoto Protocol greenhouse gases
Shared recognition of GHG Protocol consolidation approaches
Aligned requirements for transparency in measurement methodologies
Common emphasis on location-based Scope 2 emissions reporting
Requirement to disclose Scope 3 categories included in measurements
Navigating the Differences
While the standards share common ground, several key distinctions require attention:
Materiality Focus: IFRS S2 prioritizes investor-relevant information, while GRI 305 addresses broader stakeholder impacts
Market-Based Reporting: GRI 305 requires disclosure of market-based Scope 2 emissions; IFRS S2 makes this optional
Financial Activities: IFRS S2 includes specific requirements for financial sector emissions reporting
Biogenic Emissions: GRI 305 mandates separate reporting of biogenic CO2 emissions
Base Year Information: GRI 305 requires detailed base year disclosures and recalculation contexts
Practical Implementation Strategies
To effectively implement both standards, consider these approaches:
Adopt the GHG Protocol Corporate Standard as your foundational framework
Use the latest IPCC assessment values for global warming potentials
Implement comprehensive data collection systems that capture requirements for both standards
Maintain detailed documentation of methodologies and assumptions
Develop integrated reporting processes that satisfy both frameworks simultaneously
Looking Ahead
Companies already reporting under GRI 305 are well-positioned to align with IFRS S2 requirements. The high degree of compatibility between these standards offers an opportunity to streamline reporting processes while enhancing disclosure quality.
Take Action
Assess your current reporting framework against both standards to identify gaps and opportunities for alignment. Consider this convergence an opportunity to strengthen your sustainability reporting and meet evolving stakeholder expectations.
For a deeper dive into specific requirements or implementation guidance, reach out to your sustainability reporting partners or industry working groups focused on GHG emissions disclosure.
Remember: Effective GHG emissions reporting isn't just about compliance – it's about providing decision-useful information that drives sustainable business practices and attracts forward-thinking investors.
⭐Your Action Plan This Week
Download our Dashboard GHG Accounting Scope 1, 2 & 3 : Customize it with your organization's numbers to build a compelling business case.
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⭐Coming Soon
Leadership in Sustainability: How ESG Leaders Influence Organizational Culture