Zefiro Methane Corp. (ZEFI) announced that its subsidiary, Plants & Goodwin, Inc. (P&G), has successfully completed its first gas well remediation project in Oklahoma. The project involved a complex operation known as “plug and abandonment” on a deep gas well in Custer County, Oklahoma. The well, 15,000 feet deep, required the removal of 5,000 feet of casing to seal it permanently. This operation is expected to generate carbon offset products approved by the American Carbon Registry.
Zefiro Methane’s Founder and Chief Executive Officer Talal Debs commented,
“Too many Oklahomans and Americans living across the south-central United States are still forced to navigate the public health threats posed by these vestiges of a bygone era. The completion of this project not only represents Zefiro’s successful entry into a key marketplace but also reinforces the Company’s forward momentum and total commitment to executing our growth strategy by helping more of our neighbors combat this legacy issue.”
Unplugged Wells: A Major Challenge Across the U.S.
For decades, fossil fuel companies in the United States have drilled oil and gas wells to boost production, consumption, and exports. Once these wells become unprofitable, they are often abandoned. Many are left unplugged or improperly sealed, leading to environmental risks and fueling climate change.
Zefiro Methane’s press release explained that in the U.S., millions of oil and gas wells remain unplugged. For example, Oklahoma has about 18,000 known abandoned wells, while Texas and Louisiana have thousands more.
- Experts estimate it could cost up to $158 billion just to plug the suspected 1.14 million unplugged wells in these three states alone.
- Nationwide, sealing all abandoned wells could cost as much as $435 billion.
Dangerous Methane Source
Abandoned and unplugged oil and gas wells are leaking methane which is a potent greenhouse gas. Methane is 25X stronger than carbon dioxide at trapping heat and is a powerful contributor to global warming. This gas causes climate change, pollutes water, and is harmful to human health.
- An ESSI (Environmental and Energy Study Institute) study revealed that the EPA estimated, in 2018, abandoned wells released 290 kilotons of methane which is equal to burning over 16 million barrels of oil. Experts warn that rapid action is needed to cut methane emissions and avoid severe climate impacts.

Source: EPA
Financial Burden on States
Unplugged oil and gas wells create significant environmental and financial risks. When these wells become orphaned, meaning abandoned without responsible parties, they pose a burden on taxpayers with the costly cleanup. The responsibility to manage these wells falls on the states. Moreover, funds from industry fees and bonding requirements might not cover the costs.
Due to improper management, they release harmful pollutants, leading to air pollution, groundwater contamination, and degraded soil quality. These environmental impacts are highly detrimental to ecosystems, wildlife, and the land.
Safety Hazards
Another significant hazard of these unplugged and abandoned wells is the risk of explosions. It then becomes a persistent threat to both communities and the environment. Thus, addressing these wells is crucial to minimizing their long-term impacts.

Source: Zefiro Methane
Let’s see what other leaders of Zefiro Methane remarked on this project.
Zefiro’s Chief Commercial Officer Tina Reine commented,
“Now more than ever, investors throughout the international voluntary carbon marketplace are seeking offset products that can immediately help clean up our critical air, land, and water resources. The expertise of the oil and gas well remediation specialists on this project have further diversified both Zefiro’s operational presence and unique portfolio of high-quality, verified carbon credits, and our entire team cannot be more excited to continue meeting this long-unaddressed sector demand.”
Senior Vice President of Business Development and Chief Executive Officer of P&G Luke Plants commented,
“The Custer County project is the largest leap forward that our environmental remediation and carbon markets teams have taken together to help solidify Zefiro as the methane abatement sector’s leading comprehensive service provider. This successful effort is indicative of our environmental service division’s drive to help plug more of these wells throughout the south-central United States and in every corner of the country by expanding technical capacity, making operations even more efficient, and helping generate high-quality carbon credits.”
Zefiro Methane Credits: Maximizing Climate Impact
Zefiro also noted that its methane abatement credits deliver immediate and impactful climate solutions. As said before, methane has a significantly higher global warming potential than CO2 and has contributed to 30% of global temperature rise since the Industrial Revolution.
By focusing on methane reductions, Zefiro provides high-value credits that have significant demand for their ability to create measurable environmental benefits. These credits not only help bridge the gap for companies striving to meet net-zero goals but also play a crucial role in tackling the urgent challenge of climate change.
Expanding into New Regions
All said and done, the company is tackling the unplugged abandoned wells crisis seriously. It recently launched operations in West Virginia and acquired companies in Ohio and Pennsylvania to strengthen its capabilities nationwide. The company has partnered with federal and state agencies, including the National Park Service and the Commonwealth of Pennsylvania, to seal orphaned wells.
Additionally, it plans to expand its remediation efforts into other southern states like Texas and Louisiana within the next year. These regions also harbor thousands of abandoned oil and gas wells, many of which are not yet properly sealed.
By addressing methane leaks, which trap heat 25 to 85 times more than carbon dioxide, Zefiro is protecting communities and combating climate change efficiently.
Sources:
- Zefiro Methane – News: Zefiro Methane Corp. Completes Its First Ever Oklahoma-Based Well Remediation Project
- Zefiro Corporate Presentation
The post Zefiro Methane Tackles Methane Emissions: Completes its First Oklahoma-Based Gas Well Remediation Project appeared first on Carbon Credits.
Carbon Footprint
The Strategic Case for Nature-Based Carbon Investments
Nature-based carbon investments deserve consideration when they address a specific business dependency and produce outcomes you can measure. Imagine Moonbucks, a global coffee roaster planning next season’s espresso blend. It is considering natural Grade 4 coffee from Jimma, in southwestern Oromia, Ethiopia. Its sourcing decisions affect the roasting schedule and the cash tied up in coffee purchases. Moonbucks needs to understand which measures could protect that supply, what they would cost and how it would judge the results.
1. Define the sourcing problem before choosing a project
Moonbucks needs a dependable component for its espresso blend. Its procurement team wants continuity of volume and an agreed cup profile. Replacing a shipment at short notice could require new sample approval and changes to the blend, and given the schedules for cultivation, processing, and freight delivery, is practically impossible. Moonbucks needs to get this right, and its initial concern is inconsistent deliveries. It commissions an assessment of the supplying farms and post-harvest chain. The questions cover land condition, harvest availability and whether drying or storage problems are affecting saleable lots.
This distinction changes the investment brief. A tree-planting proposal cannot be assumed to fix drying problems. Better storage cannot restore eroded land. The team must establish which problem exists before selecting the response.
CCC’s guide to finding nature-based solutions in your supply chain explains where to look. Here, the next task is to turn a broad concern into a testable proposal.
2. Develop nature-based carbon investments around the actual supply chain
The assessment would trace Moonbucks’ purchases back through the exporter and supplying producer groups. Which farms supply the contracted lots? Who controls land-management decisions? How long does the buyer expect to maintain the purchasing relationship?
Furthermore, Jimma natural Grade 4 cannot be treated as interchangeable with every Ethiopian coffee. Moonbucks would need to test any substitute against its own blend and quality requirements.
Suppose Moonbucks’ assessment identifies an opportunity to maintain shade trees and restore vegetation along exposed streambanks. The IPCC describes agroforestry as a way to store carbon in vegetation and soil, with potential benefits for erosion control and water quality.1 Moonbucks would need local advice on species, growing conditions and maintenance before deciding how these measures fit its sourcing plan.
The proposal now has a defined sourcing connection and a candidate intervention. The next steps are to test its effect on production, assess carbon eligibility and build the financial case.
3. Compare the proposal with other ways to protect supply
WBCSD’s Nature-based Solutions Blueprint recommends comparing nature-based options with other responses across their benefits and costs.2 For Moonbucks, that means evaluating the landscape proposal alongside drying improvements, storage controls and alternative sourcing arrangements.
The product’s natural-process designation matters. Moonbucks should examine the drying and dry-milling chain alongside land conditions. Its team would check storage practices, contamination risks and incoming-lot quality to see whether problems arise before or after the coffee leaves the farms.
The revised proposal might combine land stewardship with separate post-harvest controls. Each component needs its own purpose and budget. A sustainability label should not obscure which activity is expected to solve which problem.
The project develops as the evidence improves. Its scope should follow the diagnosis rather than preserve the first idea unchanged.
4. Establish what the carbon outcome could count toward
Moonbucks’ sustainability team now tests the proposed carbon case separately from the sourcing case. Is the objective a measurable change in Moonbucks’ value-chain emissions, verified credits for separate voluntary use, or distinct outcomes under carefully defined arrangements?
Scope 3 covers value-chain emissions. A purchasing relationship alone does not prove that a farm intervention can be included in Moonbucks’ inventory. The team needs an applicable accounting method, defensible boundaries and evidence supporting attribution.
SBTi’s FLAG Guidance (forest, land and agriculture), version 1.2, says purchased credits used as offsets cannot meet near-term FLAG or energy and industry targets. Eligible land-based removals are subject to accounting requirements.3 Moonbucks needs to test its proposal against those rules before including an outcome in its targets.
For Moonbucks’ Jimma proposal, maintaining existing trees and establishing new vegetation could involve different carbon questions. Specialists must examine the baseline and additionality, meaning what changes because the project proceeds. They must also assess measurement and the risk that stored carbon is lost. CCC’s MRV and additionality article introduces those tests.
Until that work is complete, Moonbucks should not budget an assumed Scope 3 reduction or credit-sale receipt. Direct emissions reductions remain the priority.
5. Build a financial case that survives weaker assumptions
Moonbucks’ finance team would now build a multi-year budget. UNEP’s State of Finance for Nature 2023 compares current finance with the investment needed to meet climate, biodiversity and land-restoration goals.4 The company would cost its proposed activities, farmer participation and ongoing monitoring. Verification, where required, is a separate expense. Maintenance and responsibility for replacing failed plantings must remain visible after the initial establishment budget ends.
Operational benefits need equally careful treatment. If fewer rejected lots reduce emergency purchasing, count that saving once. Do not add “supply resilience” as another financial benefit when it represents the same avoided cost.
Moonbucks should compare a base case with slower benefits, higher implementation costs and no carbon revenue. It should also distinguish production outcomes from quality and shipment outcomes. A single good harvest would not prove that the landscape intervention caused better delivery performance.
A project can remain worth funding even when its carbon case needs more work. That decision must rest on the operational evidence and the company’s objectives, without unsupported environmental claims.
6. Fund a pilot with a clear expansion decision
Moonbucks’ first approval would fund a bounded pilot, rather than commit the entire sourcing program. Before spending, Moonbucks would agree on participating farms, responsibilities and the evidence needed at review.
Its scorecard could track farmer participation, implementation costs and plant survival, alongside accepted coffee volumes and lot-quality results. Carbon measurements would follow the selected method. Farm-level traceability must connect the intervention to the actual sourcing relationship.
Suppose Moonbucks’ review later finds that storage changes explain most quality improvements, while the land measures need longer observation. Those findings would shape the next decision: expand the proven component, adjust the landscape work or pause further spending. They would not justify crediting all improvements to tree planting.
This gives nature-based carbon investments a practical place in a multi-year strategy. Funding increases as the evidence supports it, and the project can change direction before a larger commitment.
Discuss a sourcing opportunity with CCC
Carbon Credit Capital’s nature-based supply-chain investment service uses its Dual-Value Model to examine supply-chain economics alongside potential sustainability outcomes.
Schedule a consultation to discuss your sourcing exposure and the questions to resolve before allocating capital.
Sources
- Intergovernmental Panel on Climate Change (IPCC), Climate Change 2022: Mitigation of Climate Change, Chapter 7, Agriculture, Forestry and Other Land Uses, section 7.4.3.3 (Agroforestry).
- World Business Council for Sustainable Development (WBCSD), Nature-based Solutions Blueprint, 5 June 2024.
- Science Based Targets initiative (SBTi), Forest, Land and Agriculture Science-Based Target-Setting Guidance, version 1.2, March 2026, section 3.1.4, pp. 37–38.
- United Nations Environment Programme (UNEP), State of Finance for Nature 2023, 2023.
Carbon Footprint
How to buy plastic credits, and what to check before you do
A plastic credit funds the collection of plastic waste in places where no formal system exists to collect it. Each credit represents a measured, independently audited quantity of plastic taken out of the environment or returned to use, tracked on a public registry.
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Carbon Footprint
EU carbon credit claims after 27 September 2026
EU carbon credit claims changed on 27 September 2026, the day the Directive (EU) 2024/825 began to apply across the European Union. The change is narrow. It changes how a company can talk about the credits it buys. A product can no longer be called neutral on the strength of compensation alone; however, every specific, evidenced statement about what a company measured, reduced, and funded stays fully available.
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