Puro.earth Certification Framework Terrestrial Storage of Biomass Edition 2023 v. 1

適用条件（eligibility）

Eligible activities require lignocellulosic biomass with C:N ratio >80 and high lignin content sourced sustainably from managed/natural forests, land restoration, or waste streams. Biomass must be stored in engineered terrestrial storage chambers (above-ground, below-ground, or subterranean injection) designed to inhibit decomposition for at least 100 years. Projects must demonstrate additionality, prevent double-counting, meet environmental and social safeguards, and establish contractual frameworks and liability for 100 years.

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