Strengthening Carbon Projects Through Global Insight: Lessons from the University of Freiburg’s Carbon Forestry Course

In February and March 2025, I had the privilege of attending the Carbon Forestry course at the University of Freiburg, Germany, a globally respected institution at the forefront of forest science and climate research. The course brought together professionals from across the world to explore the evolving science and standards underpinning land-based carbon solutions within the AFOLU sector (Agriculture, Forestry, and Other Land Use).

This immersive experience underscored the value of shared learning and collaboration in addressing global climate challenges. As the voluntary carbon market (VCM) continues to grow in both complexity and significance, courses like that of Freiburg University are vital for building a common knowledge base, professional networks, and long-term accountability across the sector.

The course offered valuable technical, policy, and operational insights into the development of credible carbon projects, with a particular emphasis on ARR   (Afforestation, Reforestation, and Revegetation) methodologies. We examined the science behind carbon accounting and the generation of Verified Carbon Units (VCUs) under the VCM.

Over the two-week programme, we explored the full carbon accounting cycle, including field-based methods for measuring aboveground and belowground biomass, soil organic carbon (SOC), and litter accumulation. These core methodologies are foundational to ensuring that carbon claims are scientifically robust, transparent, and verifiable.

Beyond the technical aspects, the course highlighted the importance of robust validation frameworks, safeguards, and long-term risk mitigation. Discussions focused on the tools used to support project verification and monitoring, and on strategies for delivering measurable co-benefits.

One of the most relevant takeaways for our work at NatCarbon Africa was the growing emphasis on CCB accreditation (Climate, Community, Biodiversity). This standard ensures that carbon projects contribute genuine social and ecological value beyond emissions reductions. Whether through community lease agreements, bursary models, or conservation funds, the message was clear: projects that embed local benefits and biodiversity outcomes are more resilient, more marketable, and more impactful.

The course also addressed the dynamic and evolving challenges facing the carbon projects sector. Discussions ranged from the risk of non-permanence and buffer pool design to the emergence of insurance mechanisms that protect the integrity of VCUs. A key question explored was what makes a carbon credit truly “market-ready” — a question shaped by buyer expectations, due diligence trends, and increasing scrutiny around transparency and impact.

Being part of a global network actively engaging with these issues was both timely and encouraging, especially given the pace at which the voluntary carbon market is evolving.

Perhaps most affirming was the recognition that our work in South Africa, particularly within the Spekboom restoration landscape, is not only aligned with global best practices but, in many respects, setting a precedent. NatCarbon Africa’s focus on integrating biodiversity, land stewardship, and meaningful community partnerships into carbon project development reflects the very principles promoted throughout the course.

We remain committed to applying the latest scientific, operational, and policy insights to our projects to ensure they deliver credible, transparent, and equitable climate outcomes. The Freiburg experience has reinforced my belief that the future of carbon projects lies in science-driven, socially grounded solutions, and that southern Africa has an important leadership role to play in this space.

Article by Nicholas Galuszynski