The Global Green Growth Institute (GGGI) is seeking a consulting firm to develop a practical tool to help governments calculate how many carbon credits they can safely sell into international markets without jeopardizing their own national climate commitments (NDCs), addressing one of the most consequential and least-resolved questions in the fast-growing Article 6 carbon trading market.
The call for proposals asks bidders to design both a methodological framework and a dynamic Excel-based tool that host countries can use to estimate and track their so-called “ITMO transfer headroom”—the volume of internationally transferred mitigation outcomes (ITMOs) a country can authorize without compromising achievement of its NDCs under the Paris Agreement.
The assignment sits within GGGI’s SHARE project, or the Strategic Hub for Article 6 Readiness Exchange, which forms the knowledge and learning arm of the institute’s broader Carbon Transaction Facility (CTF), launched in October 2024.
The facility has two functions: a readiness arm that provides technical assistance and capacity building to host countries, and a carbon funds arm that purchases ITMOs from host countries on behalf of sovereign buyers.
The core policy question the tool is designed to answer is: “How can host countries safely estimate and manage the volume of mitigation outcomes that can be considered for transfer without undermining NDC achievement?”
The need has grown more acute as countries have shifted from general Article 6 readiness work toward concrete policy decisions about authorization conditions, eligibility restrictions, and carbon budget management.
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Without reliable headroom estimates, governments risk either underselling a valuable resource or, more dangerously, authorizing transfers that leave their own climate targets unachievable.
GGGI said the tool is intended to support more informed, transparent, and consistent decision-making by host countries participating in Article 6.
Proposals must be submitted by 16:00 Korean Standard Time on August 7, 2026.
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