Summary
Unveiling the Agricultural Warriors Against Climate Change: The Carbon Underground is a nonprofit organization dedicated to combating climate change by promoting regenerative agriculture and soil carbon sequestration. Founded in 2013, The Carbon Underground advocates for transforming agricultural practices to restore soil health, increase carbon storage, and improve food security, positioning agriculture not only as a contributor to greenhouse gas emissions but also as a vital part of the solution.
Agriculture and land use account for approximately 17% of global greenhouse gas emissions, largely due to soil carbon depletion from conventional farming practices. The Carbon Underground emphasizes regenerative methods such as no-till farming, cover cropping, managed grazing, and compost application that enhance soil organic carbon stocks, thereby capturing atmospheric CO₂ and improving ecosystem resilience. Central to its efforts is the Soil Carbon Initiative, a global standard that incentivizes and verifies carbon sequestration on farms, enabling farmers to access carbon markets and generate credits.
The organization has established partnerships with prominent research institutes, corporations, and NGOs worldwide, fostering collaborative advancements in soil health science and regenerative farming adoption. Its work also addresses social equity by supporting marginalized agricultural communities, including women farmers, ensuring that climate solutions are inclusive and sustainable. Despite the promise of these approaches, challenges remain in measuring and verifying soil carbon storage, ensuring permanence, and designing effective incentive mechanisms, which have sparked ongoing debate about the scalability and reliability of soil-based carbon sequestration as a climate strategy.
Looking forward, The Carbon Underground aims to expand its global reach through enhanced research collaborations, improved carbon measurement technologies, and diversified financial incentives that balance environmental integrity with farmer participation. By advancing these goals, the organization seeks to harness the full potential of regenerative agriculture to mitigate climate change while promoting resilient and equitable food systems worldwide.
Background
Agriculture plays a dual role in the climate crisis: while it is a significant contributor to global greenhouse gas emissions, it also holds substantial potential for climate change mitigation through sustainable practices. Globally, agriculture and related land use account for approximately 17% of greenhouse gas emissions. However, the adoption of agricultural conservation methods that enhance carbon sequestration—capturing atmospheric carbon dioxide (CO2) and storing it in biomass and soil organic carbon (SOC)—can significantly reduce these emissions and improve food security.
Soil carbon sequestration, often referred to as “carbon farming” or “regenerative agriculture,” involves managing farmland to increase the amount of carbon stored in soils. This is achieved through various techniques such as reducing soil disturbance by adopting low-till or no-till practices, planting perennial crops, using cover crops or double cropping instead of leaving fields fallow, practicing managed livestock grazing, and applying compost or crop residues to fields. These practices not only capture CO2 but also restore degraded soils, thereby enhancing agricultural productivity and local environmental conditions.
Soils are the largest terrestrial carbon reservoirs, containing three times the carbon currently present in the atmosphere and nearly four times the carbon found in living biomass. However, over the past 10,000 years, agricultural activities and land conversion have depleted soil carbon by approximately 840 billion metric tons of CO2, with many cultivated soils losing between 50% and 70% of their original organic carbon content. Recognizing soil’s vital role in carbon sequestration is crucial to combating climate change.
The Carbon Underground is an organization dedicated to promoting regenerative farming, agriculture, ranching, and livestock technologies aimed at reversing climate change and ensuring secure food production. By supporting and disseminating knowledge about these innovative practices, The Carbon Underground seeks to transform agriculture from a climate problem into a powerful solution.
The Carbon Underground Initiative
The Carbon Underground is a nonprofit organization founded in 2013 with the mission to reverse climate change by harnessing the potential of soil carbon sequestration. It focuses on creating tools, forming alliances, and developing opportunities to scale regenerative agriculture practices that restore soil health and draw down atmospheric carbon dioxide. The organization emphasizes working with nature to enable farmers, businesses, and governments to implement sustainable practices that improve ecosystem resilience and mitigate the climate crisis.
Central to The Carbon Underground’s efforts is the Soil Carbon Initiative (SCI), a global standard and verification program that incentivizes farmers to adopt regenerative agriculture. SCI provides a rigorous framework to measure and verify soil carbon sequestration, allowing farmers to transition to sustainable land management while generating carbon credits. This initiative is the product of collaboration among diverse stakeholders, including organizations such as The Carbon Underground, Green America, Danone, Ben & Jerry’s, and over 150 others, demonstrating a broad coalition for regenerative agriculture.
The organization has cultivated partnerships with prominent research institutions and NGOs, including the Rodale Institute and the Savory Institute, to advance the science of soil carbon sequestration and regenerative farming methods. These collaborations have led to groundbreaking research highlighting the benefits of regenerative agriculture in carbon drawdown, biodiversity restoration, and sustainable food production. The Carbon Underground has also engaged internationally, such as its work with Thailand to promote regenerative agriculture among the country’s 35 million farmers, indicating its global outreach and influence.
The principles underpinning The Carbon Underground’s approach to regenerative agriculture include enhancing soil health, optimizing resource management, combating climate change, and improving water quality and availability. These principles have been endorsed by various nonprofits and corporations, reflecting a unified commitment to advancing regenerative practices that go beyond organic farming certification to achieve substantial soil restoration within the critical timeframe identified by scientists.
In addition to environmental impact, The Carbon Underground supports social equity initiatives, partnering with groups like the American Farmland Trust and the American Sustainable Business Council to empower women farmers and promote consumer-led programs that draw down carbon while supporting marginalized communities in agriculture. Through these efforts, The Carbon Underground not only addresses climate change but also fosters inclusive and sustainable agricultural systems.
Regenerative Agricultural Practices Promoted
Regenerative agriculture encompasses a suite of farming and ranching techniques designed to restore soil health, increase carbon sequestration, and mitigate climate change. Central to this approach are practices that enhance soil organic matter, promote biodiversity, and reduce disturbance to the soil ecosystem.
One key practice is no-till or minimum tillage farming, which avoids disturbing the soil by planting seeds directly into undisturbed ground using seed drills or similar tools. This method preserves soil structure, increases soil carbon concentrations, and reduces greenhouse gas emissions from crop production by nearly a third compared to conventional tillage. By minimizing soil disruption, no-till farming fosters the accumulation of organic carbon during plant decomposition, allowing it to remain safely stored underground.
Cover cropping and crop rotations are also widely promoted within regenerative systems. These practices diversify plant species in the soil, which enhances root biomass and substrate availability for soil microbial communities, thus stimulating soil food webs and increasing soil organic carbon storage. The inclusion of perennial crops, which develop deep root systems, further augments carbon sequestration potential by depositing carbon deeper into the soil profile.
Compost and animal manures are applied to replenish soil nutrients and inoculate soils with beneficial microorganisms. The use of compost extracts or inoculants aims to restore microbial activity essential for soil carbon cycling and organic matter stabilization. Managed grazing, particularly adaptive multi-paddock grazing, has been shown to improve pasture productivity while enhancing soil microbial efficiency and carbon storage in soils of southeastern US ranches.
Biochar amendment is another practice gaining attention for its dual role in improving soil fertility and capturing climate-warming carbon safely within soils. Derived from processed plant biomass, biochar contributes to long-term carbon sequestration and resilience against climate impacts on croplands.
Collectively, these regenerative practices contribute to reversing soil degradation, increasing agricultural resilience to extreme weather, reducing input requirements, and enabling carbon dioxide removal from the atmosphere through enhanced soil carbon sequestration. Furthermore, many of these practices are increasingly supported by incentive programs and initiatives like The Soil Carbon Initiative, which promote verifiable standards for regenerative agriculture and carbon farming.
By integrating these methods, regenerative agriculture not only supports productive and sustainable food systems but also plays a crucial role in global efforts to mitigate climate change through natural carbon sinks in agricultural soils.
Carbon Farming Techniques
Carbon farming encompasses a variety of land management practices aimed at increasing the amount of carbon captured from the atmosphere and stored in plants and soils. These techniques focus on enhancing soil organic carbon (SOC) through both biological and management interventions, thereby improving soil health and agricultural productivity while mitigating climate change.
One of the primary approaches is the reduction of soil disturbance by adopting low-till or no-till farming methods. These practices minimize disruption of the soil structure, allowing organic matter to accumulate and stabilize within the soil profile. Planting perennial crops, which have deeper root systems and longer growing seasons, also contributes to greater carbon sequestration compared to annual crops.
Adjusting planting schedules and crop rotations is another important technique. For example, integrating cover crops or double cropping instead of leaving fields fallow increases photosynthetic activity and organic matter input into the soil. Managed grazing practices, where livestock grazing patterns are controlled to optimize plant growth and soil cover, further enhance carbon storage by stimulating root growth and reducing soil erosion.
Application of organic amendments such as compost or crop residues adds additional carbon to the soil while improving nutrient cycling and soil microbial activity. The use of biochar—charcoal produced from biomass intended for soil incorporation—has gained attention as a means to increase soil fertility and provide long-term carbon sequestration due to its stable carbon structure.
Soil carbon sequestration is primarily mediated by plants through photosynthesis, with carbon stored as SOC. In arid and semi-arid regions, a lesser but notable amount of carbon is sequestered through the formation of inorganic carbonates in the soil. Overall, these carbon farming techniques, when integrated holistically, create a framework for maximizing carbon gains through enhanced land management practices that exceed carbon losses.
Together, these methods form the backbone of carbon farming as a whole systems approach that works with natural processes to safely draw down atmospheric CO2 and store it underground without excessive re-release, contributing significantly to global carbon offset efforts.
Impact and Effectiveness
The Carbon Underground has played a significant role in advancing soil carbon sequestration as a critical strategy in combating climate change. By promoting regenerative agriculture practices, the organization contributes to increasing the organic matter content in soils, which enhances carbon capture while improving soil health and resilience. These practices include reduced or no-till farming, cover cropping, managed grazing, and the application of compost, all of which have demonstrated potential to increase soil carbon stocks and provide environmental co-benefits such as improved biodiversity and water retention.
Research partnerships with institutions like the Rodale Institute and the Savory Institute have led to groundbreaking findings on the benefits of regenerative agriculture, reinforcing The Carbon Underground’s impact on advancing both scientific knowledge and practical adoption of carbon farming. Moreover, the organization collaborates with diverse stakeholders to support initiatives that empower farmers, including women farmers, and facilitate consumer-led programs aimed at carbon drawdown and sustainable food production.
Economically, carbon farming under The Carbon Underground’s guidance can provide landowners with financial incentives through carbon credits and improved market access, making the adoption of sustainable practices more attractive despite initial costs or transaction barriers. Studies indicate that while mitigation costs vary depending on strategy, location, and policy context, results-based payment mechanisms—offering profitability tied to measurable outcomes—have shown promising effectiveness in incentivizing farmers to implement soil carbon sequestration.
Scalability and Implementation
Carbon farming has emerged as a scalable and cost-effective approach to achieving negative emissions, playing a critical role in long-term climate mitigation strategies aligned with global sustainability goals. Its scalability is supported by the ability to incentivize farmers to adopt sustainable and regenerative agricultural practices, thereby creating new revenue streams through carbon credits that did not previously exist. This economic incentive is pivotal for encouraging widespread adoption among landholders.
Implementation of carbon farming is increasingly supported by various policy frameworks around the world. These include the European Union Emissions Trading Scheme, Japan’s Voluntary Emission Trading Scheme, New Zealand’s Emissions Trading Scheme, and Australia’s Emission Reduction Fund, all of which provide mechanisms to encourage greenhouse gas mitigation activities and facilitate farmers’ participation in carbon markets. Additionally, certain approved carbon farming practices may qualify farmers for federal funding, further enhancing the feasibility of implementation; however, not all techniques have received formal endorsement, underscoring the need for careful selection and validation of methods.
A key factor in the successful implementation of carbon farming projects is the design of incentive mechanisms. These typically fall into three categories: result-based payments, action-based payments, and hybrid approaches. Result-based payments require stringent monitoring, reporting, and verification (MRV) systems and, although they carry higher risks, offer greater profitability and motivation for innovation among farmers. In contrast, action-based payments involve simpler monitoring and can be paid upfront or after contract completion, reducing complexity but potentially limiting environmental effectiveness. Hybrid payment schemes attempt to balance these considerations by combining elements of both.
Ensuring additionality—the adoption of practices that would not have occurred without carbon credit incentives—is critical for the integrity and effectiveness of carbon markets. Without additionality, carbon farming would fail to produce measurable climate benefits, emphasizing the importance of strict criteria and robust MRV standards to maintain credibility and encourage genuine emissions reductions. Despite these challenges, carbon farming holds promise as a practical climate solution with growing global development and implementation efforts.
Challenges and Criticisms
Despite the promising potential of soil carbon sequestration as a strategy to combat climate change, several challenges and criticisms temper its widespread adoption. One of the primary difficulties lies in the measurement, monitoring, and verification (MRV) of carbon removal through soil processes. Current MRV techniques are often costly and complex, which limits the scalability and reliability of soil-based carbon credit programs. This is particularly significant because soils hold roughly three times the amount of carbon currently in the atmosphere, yet have suffered substantial losses—estimated at 840 billion metric tons of CO₂—due to agriculture and land conversion over the past 10,000 years.
Furthermore, different incentive mechanisms for encouraging farmers to adopt carbon sequestration practices face their own sets of obstacles. Result-based payments, while potentially highly profitable, require stringent MRV and carry higher risks for farmers. In contrast, action-based payments are simpler and entail lower monitoring burdens but may not provide as strong incentives for long-term carbon retention. These trade-offs complicate the design and implementation of effective carbon credit markets.
Another criticism arises from the difficulty of ensuring permanence and additionality in soil carbon storage. Because soil carbon pools are dynamic and influenced by numerous environmental and management factors, there is uncertainty about how long sequestered carbon remains stored and whether observed increases would have occurred without intervention. This casts doubt on the reliability of soil carbon sequestration as a stable “negative emissions” technology.
Moreover, the complexity of soil ecosystems and variability across different agricultural contexts mean that regenerative agriculture practices—such as no-till farming, cover cropping, crop rotation, and managed grazing—require careful tailoring and ongoing management to be truly effective. While these practices can restore soil health and biodiversity, their outcomes may be inconsistent and challenging to predict at scale.
Finally, social and economic concerns also present challenges. Programs aiming to support farmers in adopting carbon sequestration methods must address issues of equity and accessibility. For example, initiatives that support women farmers or smallholders need to ensure these groups can participate fully and benefit fairly from emerging carbon markets. Without inclusive strategies, carbon sequestration efforts risk reinforcing existing disparities in agricultural communities.
Future Directions
The Carbon Underground (TCU) continues to advance its mission of reversing climate change by focusing on scalable, science-based regenerative agriculture practices. A key future direction involves expanding collaborative research and partnerships with institutions such as the Rodale Institute and the Savory Institute to deepen understanding of soil carbon sequestration benefits and improve measurement methodologies. Enhancing the precision and affordability of carbon measurement tools remains a priority, as current monitoring and verification of soil carbon storage present significant challenges
The content is provided by Avery Redwood, Brick By Brick News
