Developers Warn Paris Carbon Market Rules Could Price Out Cookstoves
COP 31 Special Events • United NationsNovember 13, 2026
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The United Nations' new Paris Agreement carbon market is open, and its first test is whether its integrity rules leave room for projects to pencil out. At a COP 31 side event in Antalya on Nov. 13, 2026, cookstove developers and a rating agency argued the mechanism's conservative rules could make projects unviable, Carbon Market Watch pushed for even tougher safeguards, and Supervisory Body members said the rulebook is unlikely to change.
- Cookstove credits could cost $95-120 per ton under the Paris mechanism, versus $40-50 under another standard, one developer estimated
- Supervisory Body members signaled guidance is unlikely to change and invited developers to submit new methodologies
- First credits issued, five methodologies adopted, with a registry expected in the first quarter of 2027
- Carbon Market Watch pressed for stronger safeguards on permanence, Indigenous consent and expert-panel conflicts of interest
- A green hydrogen tool is in development as buyer demand shifts toward sectors without methodologies
Why it matters: How the Paris Agreement Crediting Mechanism, or PACM, balances integrity against cost will decide whether cookstove projects, which deliver cleaner cooking to households, use the UN system or go elsewhere.
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