Explore nature-based carbon projects, organizations, standards, and countries in one map-first catalog.
AR-ACM0001: Afforestation and reforestation of degraded land is a carbon crediting methodology for ARR published by UNFCCC (CDM). Registries list 21 projects using it in 10 countries. This catalog maps 21 projects by 18 developers. Credits issued: 26,312,931. Catalog refreshed November 7, 2026; registry reporting dates vary by source.