Soil Carbon Credits in Brazil: How Verra VM0042 Works for Farms and What Producers Should Check

If you farm in Brazil and someone has offered you a soil carbon project, the rulebook behind it is almost certainly VM0042 soil carbon, Verra’s methodology for Improved Agricultural Land Management. This guide explains what the methodology asks of a farm, how the credit is counted, who owns it under Brazilian law, and which questions to ask before signing anything. It is written for the producer, not the developer.

What VM0042 soil carbon is

VM0042 is a methodology under Verra’s Verified Carbon Standard (VCS). It quantifies two things: greenhouse gas emission reductions from changes in farm management, and carbon dioxide removals stored as soil organic carbon (SOC). The current version is v2.2, active since 21 October 2025. Version 2.1 remains active alongside it. Projects on v2.2 must also apply the Corrections and Clarifications that Verra published on 11 June 2026.

In October 2025 the Integrity Council for the Voluntary Carbon Market (ICVCM) approved v2.2 as meeting its Core Carbon Principles. That matters for price, because buyers increasingly ask for the CCP label. Verra said at the time that around 200 projects on its registry used earlier versions and could migrate.

A major revision, v3.0, is under public consultation. It is a proposal, not a rule. Until Verra publishes it, v2.2 is the text that counts.

How the credit is counted

The methodology compares the farm after the change with a baseline that represents what would have happened without the project. VM0042 builds that baseline from a historical look-back of at least three years before the project start date, covering at least one full crop rotation where that applies. A practice only counts as changed if the measurable parameter moves more than 5 percent against that pre-project average. Verra’s v2.2 notes recommend reassessing the baseline every five years, or sooner if regional practice shifts.

There are three quantification approaches. Approach 1, called measure and model, feeds soil samples into a biogeochemical model and requires a model validation report reviewed by an independent modeling expert through the auditor. Approach 2, measure and remeasure, relies on repeated soil sampling and is more demanding in the field. Approach 3 uses default factors and applies to livestock emissions such as enteric fermentation.

Whatever the approach, soil organic carbon must be measured at least every five years and reported to a minimum depth of 30 centimeters. Verra issued a reminder that shallower datasets, including government soil surveys, do not meet this requirement for crediting. The v2.2 text also recommends sampling to 50 centimeters in two layers where possible.

Which farms are eligible

Eligible practice changes include reduced tillage, improved fertilizer management, residue and water management, cover and cash crop planting, and improved grazing. Appendix 1 of the methodology carries the full list, and Verra describes it as non-exhaustive.

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Two Brazilian realities matter here. First, no-till is already common practice across much of the soybean belt. A farm that has run no-till for fifteen years cannot sell that as a new practice. The change would need to come from somewhere else, such as diversified cover crops, integrated crop-livestock systems, or a documented cut in nitrogen fertilization. Second, degraded pasture is where many developers see the largest opportunity, because grazing improvement is an eligible category and the starting stock of soil carbon is low.

Timing rules also apply. An AFOLU project must enter Verra’s pipeline listing within three years of its start date and complete validation within five years. Smaller projects expecting 20,000 tCO2e or less per year get eight years to validate. A grouped project may add farms after validation if they meet the eligibility criteria set in the project description, which is how most developers reach smaller producers.

Who owns the credit in Brazil

The federal framework is Lei 15.042, of 11 December 2024, which created the Brazilian Emissions Trading System (SBCE). Article 1, paragraph 2, states that primary agricultural production on rural properties is not a regulated activity under the SBCE. A farm has no compliance obligation. It can still run a voluntary project and sell credits.

Article 43 states that original title to a carbon credit belongs to the project generator, and that this title may be assigned or shared by contract with a developer. Item IV covers private owners and usufructuaries. Item VIII covers agrarian reform settlers on their lots, with or without a title deed. Paragraph 5 requires the contract between generator and developer to be annotated at the real estate registry of the property, with the project area described in a survey memorial. Article 55 added this annotation to the list in article 167 of the Public Registries Law, Lei 6.015/1973.

Article 47 sets minimum benefit sharing for indigenous peoples, traditional communities and settlers: at least 50 percent in removal projects. Article 14 states that credits traded on the financial and capital markets are securities under Lei 6.385/1976, although private placement outside that market remains allowed.

Where the SBCE stands

The SBCE is still being built. According to ESG Minute’s Placar do SBCE, updated 19 October 2026, the law and its governance decrees are in force, the CTCP technical committee has a working group on accrediting methodologies for CRVE certificates (Resolução CTCP/SBCE 4, of 11 May 2026), and the MRV rules and the carbon credit program decree are listed as pending with a December 2026 forecast. A VM0042 credit today is a voluntary market asset. Whether and how it can be converted into a CRVE recognized inside the SBCE depends on rules that do not yet exist. Treat any promise of future compliance value as a forecast, not a fact.

Step by step for a producer

1. Map what you already do. Gather at least three years of records: tillage, fertilizer, cover crops, stocking rates, yields. This is your baseline and your proof.
2. Identify a genuine change. Compare your plan with Appendix 1 of the methodology. If the practice is already common in your region, additionality will be hard to show.
3. Check the land documents. Title or settlement record, CAR, georeferenced boundaries. Article 43 of Lei 15.042 ties the credit to who holds the land.
4. Read the developer contract. Look at the split of credits, the duration, who pays for soil sampling and audits, and what happens if carbon is lost in a drought year.
5. Confirm the pipeline. Verra’s process runs from pipeline listing, through a 30-day public comment period, to validation by a VVB, then verification and issuance. The developer contracts and pays the auditor.
6. Commit to the horizon. VCS Standard v4.7 sets a minimum initial crediting period of 20 years and a minimum project longevity of 40 years. Soil carbon is a long contract.
7. Annotate the contract at the cartório, as paragraph 5 of article 43 requires.

Common mistakes

• Selling an existing practice as new. Fifteen years of no-till is history, not a project.
• Accepting shallow soil data. Samples to 20 centimeters do not meet the 30-centimeter requirement.
• Ignoring reversal risk. VCS rules in sections 3.2.18 to 3.2.27 govern reversals and the buffer pool. If carbon is lost, part of the credits is withheld or cancelled. Ask who absorbs that.
• Signing a contract that leaves no trace in the land registry. Without the annotation, a future buyer of the land may dispute the project.
• Treating the methodology version as a detail. A project validated on v2.1 may need to migrate to v2.2 to carry the CCP label.
• Assuming the SBCE will absorb the credit. No rule says that yet.

What to do now

Pull your management records for the last three seasons and compare them with the eligible practice list in VM0042. If you can name a real change and you hold the land, ask the developer for the project description, the quantification approach, the sampling plan and the credit split in writing. Check the Placar do SBCE before you believe any statement about compliance value. Then read the primary documents below. The methodology is long, but the sections on applicability, baseline and monitoring are the ones that decide whether your farm has a viable soil carbon project.

Sources

• Verra, VM0042 Improved Agricultural Land Management, v2.2
• Verra, Frequently Asked Questions: VM0042
• Verra, Reminder: Depth Requirements for Using Soil Carbon Data in VM0042 Projects
• Verra, VM0042 v2.2 approved by the ICVCM (30 October 2025)
• Verra, Verified Carbon Standard program page
• Lei 15.042, de 11 de dezembro de 2024 (Senado Federal, official text)

Read next

• Brazil SBCE tracker: every act with its primary source
• Free PDF guides on carbon markets

Free guide (PDF): Brazil SBCE timeline 2024 to 2031 Download →