Barry Li | Climate Reporting & Assurance

Insights on climate reporting, carbon markets, and sustainability assurance.

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Barry Li

PhD candidate in Accounting and Finance at the University of Newcastle, Australia, researching climate reporting, carbon markets, and sustainability assurance. An auditing practitioner with over 10 years’ experience, sharing insights at the intersection of academia and practice.

    Navigating the Intersection of Transition Planning and Carbon Market Integrity

    As we cross the first quarter of 2026, the global sustainability landscape is shifting from a focus on “what” to report toward a rigorous examination of “how” those reports drive real-world decarbonisation. For the scholar-practitioner, two themes are converging with unprecedented speed: the formalisation of climate transition plans and the structural evolution of carbon markets toward high-integrity assets.

    Deep Dive: The Convergence of Strategy and Quality

    1. ISSB’s Strategic Focus: Harmonising Transition Plan Disclosures

    The International Sustainability Standards Board (ISSB) has officially pivoted its 2024–2026 work plan to prioritise the harmonisation of transition plan disclosures. According to IFRS Foundation updates, the goal is to provide a global baseline that moves transition planning from a core financial strategy component.

    Key Structural Shifts:

    • Modular Integration: The ISSB is working to fold Taskforce on Nature-related Financial Disclosures (TNFD) technical guidance into its standards.
    • Decision-Grade Evidence: There is a growing demand for disclosures that provide “decision-grade” evidence—meaning transition plans must be backed by verifiable data that auditors can sign off on.

    2. The Carbon Market Pivot: Quality Over Volume in 2026

    The global carbon market is undergoing a fundamental structural change. A recent report by Abatable via Carbon Herald highlights that 2026 will be defined by “quality, not volume.”

    Why This Matters for Assurance:

    • High-Integrity Credits: As compliance programs and voluntary markets mature, the appetite for high-integrity credits is reshaping supply.
    • Long-term Contracting: Corporates are moving away from spot-market purchases toward long-term contracting for high-quality carbon removals.

    3. Regional Regulatory Pressures: EU and California

    While the global baseline is firming up, regional nuances remain. According to S&P Global, the European Commission’s efforts to simplify CSRD and CSDDD rules are reducing the number of reporting entities but increasing the depth of required information. Simultaneously, legal challenges to California’s climate laws serve as a reminder that the path to mandatory disclosure is rarely linear.

    Practical Takeaway: Aligning Your Roadmap

    For practitioners navigating this landscape, the focus should be on three specific areas:

    1. Audit Your Transition Logic: Ensure your transition plan isn’t just a list of targets. It must be a logical sequence of actions supported by capital allocation.
    2. Scrutinize Carbon Credit Origins: If your transition plan relies on carbon offsets, prioritise credits with high-integrity certifications and transparent MRV (Monitoring, Reporting, and Verification) processes.
    3. Prepare for Assurance Interoperability: Ensure your data collection processes can satisfy both ISSB-aligned domestic standards (like ASRS in Australia) and international requirements like the CSRD.

    Sources

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