17tons | 1,160 followers on LinkedIn. Proof of Value. Beyond the Tons | Through its land intelligence, 17tons quantifies carbon removal and environmental co-benefits, turning them into certified value. The philosophy of 17tons is grounded in the belief that land-based CDR projects cannot be evaluated solely on the quantity of carbon removed. Monitoring and valuing additional environmental co-benefits is equally essential, including: Biodiversity: enhancement of local biological diversity.