Certify emission reductions in agriculture
Turn fertilizer related emission reductions into independently verified Inset Units your buyers and auditors can trust, and ready to use in GHG inventory accounting and SBTi (FLAG) reporting.
Quantification without verification doesn’t hold up when a procurement team, auditor, or standards body starts asking questions. Proba's certification infrastructure, the Proba Standard and Methodologies, independent VVB verification, and the Proba Registry, turns emission reductions into Inset Units that move easily from farm to food company.
Certified Scope 3 reductions across Agrifirm's arable supply chains

Agrifirm Plant-Based Solutions and Proba turn on-farm fertilizer interventions into certified Scope 3 reductions. Farmers across Agrifirm's arable supply chains adopt low-carbon fertilizers, controlled-release fertilizers, and nitrogen stabilizers.
Proba quantifies and certifies the reductions, so food companies sourcing from Agrifirm can report them in their own Scope 3 inventory.
GHG Methodologies
Certified reductions map directly to GHG Protocol Scope 3 Category 1. Built on IPCC science and aligned with ISO 14064.
Find out how
Inset Units
Inset Units represent traceable emission reduction certificates that can move through your supply chain. Each Inset Unit typically represents a 1 tCO₂e GHG reduction connected to your supply chain.
Learn more
Proba Registry
The Proba Registry details the journey of each Inset Unit from issuance to retirement, showcasing the diverse projects that have tangible GHG reduction and removal results, including its claiming history.
Learn more
Proba Standard
The Proba Standard is a GHG standard which consists of a set of rules and guidelines used to monitor, verify, and certify the reduction or removal of greenhouse gas emissions.
Learn more