To buy carbon credits responsibly, measure your emissions, reduce what you can, define the type of credit you need and examine the project’s methodology, additionality, verification, permanence and registry records.

Bill Ickes

Beau Parmenter

Learning how to buy carbon credits involves more than comparing prices. A responsible purchase should connect a company’s emissions, climate strategy and public claims with a specific and documented environmental outcome.

Carbon credits can represent avoided emissions, emissions reductions or atmospheric carbon removal. These outcomes have different uses, risks and levels of durability.

Start With Your Company’s Emissions

A company should understand the emissions it intends to address before deciding how many carbon credits to purchase.

The emissions inventory should identify Scope 1, Scope 2 and relevant Scope 3 emissions. It should also define the reporting period, organizational boundary and calculation methods.

The GHG Protocol Corporate Standard provides a widely used framework for preparing corporate greenhouse gas inventories.

Once the inventory is complete, the company can distinguish between emissions it can reduce directly and residual emissions that remain difficult to eliminate.

Reduce Emissions Before Relying on Credits

Carbon credits should not become an excuse to postpone practical operational improvements.

Businesses should first examine energy efficiency, fuel consumption, electricity procurement, transportation, materials, equipment and supplier performance.

Credits can then support climate action beyond those reductions or help address residual emissions while longer-term solutions are being developed.

Our guide to a decarbonization strategy for business explains how direct reductions and carbon removal can work together.

Choose the Right Type of Carbon Credit

Before deciding where to buy carbon credits, a company should determine what environmental result it needs.

Avoidance credits represent emissions that were prevented from occurring compared with a baseline. Reduction credits represent a measurable decrease in emissions. Carbon removal credits represent carbon dioxide taken out of the atmosphere and stored.

These outcomes are not interchangeable. Companies addressing residual emissions or supporting long-term net-zero goals may place greater emphasis on durable carbon removal.

Read our comparison of emission reduction credits and carbon offset credits before selecting a project type.

Review the Project Methodology

A carbon-credit methodology explains how the project qualifies, establishes its baseline, measures climate benefits and manages uncertainty.

The project documentation should identify the crediting program, methodology, project location, start date, monitoring period, credit vintage and verification body.

The Verified Carbon Standard is one example of a crediting program that publishes methodologies and project requirements.

Buyers should confirm that the methodology matches the project activity. A methodology designed for one project type should not be assumed to apply to another.

Examine Additionality

Additionality asks whether the reduction or removal would have occurred without the carbon project and its financial support.

A buyer should be cautious when the activity was already required by law, was financially inevitable or was common practice before carbon-credit revenue became available.

The project documentation should explain how additionality was tested and provide evidence supporting the conclusion.

Dynamic Carbon Credits discusses this integrity requirement in its article on additionality and Scope 1 emissions.

Understand Permanence and Reversal Risk

Permanence describes how long the carbon benefit is expected to last. Reversal occurs when stored carbon returns to the atmosphere.

Forest carbon may be vulnerable to fire, disease, harvesting or land-use change. Soil carbon may change when farming practices are discontinued. Other project types have their own storage risks.

Biochar can provide a more durable carbon-storage pathway when eligible biomass is processed correctly, the material’s carbon stability is measured and its final use is documented.

Learn more about biochar as an enterprise carbon-removal solution.

Confirm Independent Verification

Independent validation and verification provide evidence that the project follows the applicable methodology and that its claimed results are supported by records.

Buyers should identify the verification body, review available reports and confirm that the monitoring period matches the credits being offered.

Independent review does not remove every risk. It does, however, provide a level of accountability that is missing from unverified environmental claims.

Our explanation of the difference between verified and unverified carbon offsets provides more guidance on this issue.

Verify Registry and Retirement Records

A carbon registry helps track issued credits through unique project information and serial numbers. Buyers should confirm that the credits exist, are owned by the seller and have not already been retired.

The registry record should identify the project, methodology, credit vintage, quantity and current status.

After purchase, credits used toward a climate claim should be retired. The buyer should retain the retirement certificate and transaction records as part of its reporting documentation.

Retirement is essential because it removes the credit from circulation and prevents another organization from using the same credit.

Use Independent Quality Benchmarks

The Core Carbon Principles offer a useful framework for evaluating carbon-credit quality. They address additionality, robust quantification, permanence, transparency, safeguards and independent verification.

Companies should not rely solely on sales materials, project photographs or broad sustainability claims. The environmental outcome must be supported by evidence.

Our carbon credit and biochar FAQ explains common questions about verification, durability and project quality.

Plan Your Climate Claim Before Buying

A company should decide how it intends to describe its carbon-credit purchase before completing the transaction.

The VCMI Claims Code of Practice provides guidance for companies using carbon credits alongside science-aligned emissions reductions.

In the United States, the Federal Trade Commission’s Green Guides state that marketers should have competent and reliable scientific evidence to support environmental claims, including claims involving carbon offsets.

Public statements should identify what was purchased, how many credits were retired, which emissions period was addressed and whether the credits represent avoidance, reduction or removal.

Watch for Carbon Credit Warning Signs

Buyers should slow down when a seller cannot provide essential documentation. Common warning signs include:

  • No identifiable methodology or independent verification
  • No registry record, serial numbers or retirement process
  • Vague claims about additionality or permanence
  • Pressure to purchase before reviewing documentation
  • Extremely low prices without a reasonable explanation
  • Broad environmental promises that exceed the project evidence

Price matters, but the lowest-priced credit can create larger costs when the resulting claim cannot survive customer, investor, auditor or regulatory scrutiny.

Buying From Dynamic Carbon Credits

Dynamic Carbon Credits works with companies seeking measurable plant-based carbon removal and biochar solutions.

Our process can include emissions assessment, project evaluation, credit documentation and a strategy for addressing residual emissions.

Buyers can also review our guide to carbon dioxide removal before comparing removal pathways.

Ready to purchase credible carbon credits? Contact Dynamic Carbon Credits to discuss volume, project type and documentation requirements.

Frequently Asked Questions

Where can a business buy carbon credits?

Businesses can purchase credits through project developers, specialized providers, marketplaces or brokers. Regardless of the sales channel, the buyer should review the underlying project and registry documentation.

How much does a carbon credit cost?

Prices vary according to project type, location, vintage, methodology, verification, durability, supply and demand. Price alone is not a reliable measure of quality.

How many carbon credits should a company buy?

One credit generally represents one metric ton of carbon dioxide equivalent. The appropriate quantity depends on the company’s measured emissions, completed reductions and intended claim.

What proof should a buyer receive?

The buyer should receive transaction records, project information, registry details, serial numbers and retirement documentation for credits used toward a climate claim.