Building the Global Carbon Market Infrastructure
Advancing transparency, integrity and scalability in carbon markets to accelerate global climate action and investment.
Long before the Article 6 entered the vocabulary of climate negotiations, many of the same questions had shaped the development of the Clean Development Mechanism (CDM) under the Kyoto Protocol in early 2000s. Questions like, how should carbon credits be measured? How can environmental integrity be safeguarded? What governance systems are required to prevent double counting? How can countries ensure that carbon markets genuinely contribute to global mitigation while supporting sustainable development? Important and somewhat familiar questions!
Having had the privilege of working at the United Nations Framework Convention on Climate Change (UNFCCC) Secretariat during the formative years of the Clean Development Mechanism, I have had the unique opportunity to witness and contribute to these developments from the very beginning. When the Kyoto Protocol entered into force, the idea of creating a global market for carbon was both ambitious and controversial. The underlying principle was remarkably revolutionary.
Climate mitigation should not exclusively rely on regulation or public finance. Instead, international cooperation could harness market incentives by assigning economic value to greenhouse gas emission reductions (carbon). Investments could then flow from developed to the developing countries where mitigation opportunities were often more cost-effective. Meeting the twin objectives of reducing emissions in a cost efficient manner while contributing to the sustainable development.
Today it almost sounds like an intuitive idea. But back then, virtually none of the institutional infrastructure required to support such a market existed. There were no globally accepted methodologies for quantifying emissions reductions. Independent accredited organizations capable of validating and verifying emission reductions were not present. Global expertise for developing such interventions and validating the technical and methodological robustness was hard to find. And national governments had no policy and governance systems and capacities to validate that emissions reduction projects being developed at their soils were environmentally sound and genuinely contributing to their sustainable development objectives.
An entire internationally recognised regulatory system ensuring that carbon credits represented genuine, additional and independently verified climate benefits shall have to be established from scratch. I was fortunate to be among the small team of professionals who helped design and establish the institutional infrastructure that made the world's first international carbon market possible. Working within the CDM Team in Bonn Germany, our responsibility extended well beyond developing administrative procedures and regulatory rules. We were laying out the governance systems upon which the credibility of an entirely new international market would stand and evolve.
Our work centred on establishing the global regulatory framework which is robust enough to ensure the credibility of the new financial instrument (carbon credits) being created in the market. But have the adequate flexibility incentivizing investments into new and cleaner technologies in developing countries. A stringent system of accreditation facilitated independent validation and verification of emissions reductions and development of large number of rigorously designed methodologies for establishing the baseline and quantifying the emission reductions significantly contributed in the evolution of a global carbon markets. It essentially transformed GHG reductions from scientific estimates into internationally recognized carbon assets capable of being traded across borders.
As countries move towards operationalising Article 6 of the Paris Agreement, the world is entering a new chapter in international carbon markets. Governments are developing new mechanisms for trading emission reductions across borders, companies are preparing for greater participation in global carbon markets, and unprecedented attention is being given to ensuring environmental integrity, transparency and market credibility.
Looking back, I increasingly view the CDM as one of the most important institutional innovations in international climate policy. It demonstrated that private capital could become a major driver of climate mitigation when supported by robust governance and internationally agreed standards. Over its lifetime, the mechanism mobilised tens of billions of dollars of investment into renewable energy, industrial efficiency, methane capture, waste management and other mitigation activities across developing countries.
The CDM encouraged governments to establish national carbon market institutions, stimulated private-sector innovation, created entirely new professional disciplines around carbon accounting and verification, and demonstrated that climate policy and economic development could reinforce one another. Like any pioneering mechanism, the Clean Development Mechanism was not without limitations. Questions emerged regarding additionality, uneven geographical distribution, transaction costs and market volatility. These lessons have rightly informed the design of Article 6.
It is important to recognise that today's international carbon market architecture has not emerged in isolation. Article 6 stands on the institutional foundations built over more than two decades through the experience of the Clean Development Mechanism. Many of the concepts that define today's carbon markets, such as, independent verification, environmental integrity, transparency, accreditation, robust accounting and international oversight, were first developed, tested and refined during those formative years.
Reflecting on my own contribution, I do not see it simply as helping establishing CDM. I see it as contributing to the construction of the global trust infrastructure that allowed international carbon markets to function. Assisting to build those foundations remains one of the defining experiences of my professional career.
It shaped much of my subsequent work in climate finance and disaster risk financing, reinforcing a lesson that has remained remarkably consistent throughout my career: ambitious international agreements only deliver meaningful outcomes when they are supported by strong institutions.
The future of carbon markets will undoubtedly evolve beyond the Clean Development Mechanism. But their foundations were laid during those pioneering years, when a small group of practitioners worked to transform an ambitious political idea into a functioning international system. I remain proud to have been part of that journey.




