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What Is Carbon Farming?

We must go beyond REDUCING greenhouse gas emissions to actively REMOVING carbon dioxide from the atmosphere and storing carbon safely and beneficially in our soils.

What Is Carbon Farming?

We must go beyond REDUCING greenhouse gas emissions to actively REMOVING carbon dioxide from the atmosphere and storing carbon safely and beneficially in our soils.

What Is Carbon Farming?

We must go beyond REDUCING greenhouse gas emissions to actively REMOVING carbon dioxide from the atmosphere and storing carbon safely and beneficially in our soils.

Composting & Carbon Farming

  • Building a Circular Compost System
  • Carbon Farming in Boulder County
  • Microbe Brew Compost Tea
  • What Is Biochar?
  • State & National Efforts

One of the most hopeful climate solutions is right under our feet!

In the fight against climate change, we know how important it is to put everything we can into reducing greenhouse gas emissions. But if we are to succeed in keeping our emissions below the critical 2 degrees Celsius threshold, it will also require that we go beyond reducing emissions to “carbon farming,” a way to actively remove carbon from the atmosphere and store it safely in our soils.

Carbon isn’t a BAD thing—natural carbon levels are a building block of life. Plants pull carbon out of the air, and soils store it, creating a positive feedback loop for life on our planet. The problem we are facing with carbon is that we are burning fossil fuels and implementing agricultural practices that have undone the carbon balance, taking carbon that was in the ground, such as fossil fuels, and moving it into the atmosphere. As a result, we are heating up the atmosphere and destabilizing our climate.

That’s where carbon farming comes in. Carbon farming involves implementing regenerative farming practices such as “no tillage,” cover crops, grazing, and adding amendments such as compost that restore living ecosystems and increase soils’ ability to draw down atmospheric carbon and store it safely in the ground for the long term. Compost is an essential piece of carbon farming; it drives the regeneration of soils with an infusion of beneficial soil microbes. 

The Problem

  • Burning fossil fuels and modern agricultural practices have undone the carbon balance, moving carbon in the ground into the atmosphere, which results in heating up the atmosphere and destabilizing the climate.
  • Landfilling organic material results in the production of methane gas, a greenhouse gas that traps 84 times more heat in our atmosphere than carbon dioxide in the short term.
  • Landfills are the third-largest source of methane emissions in the US.

The Solution

When organic material is composted and applied to soils instead of being sent to the landfill, it transforms from being a major source of greenhouse gasses to one of our best tools for fighting climate change. Plants and healthy soils enriched by compost help draw down excess CO2 from the atmosphere and store it long-term in the soil. We can reverse the damage we’ve already done by reducing atmospheric CO2.

The Marin Carbon Project (MCP), a pilot of carbon farming practices in California, found that if compost made with manure was applied to just 5% of the state’s rangelands, it would offset carbon emissions from 6 million cars. Here is how the MCP defines carbon farming: 

All agricultural production originates from the process of plant photosynthesis. With energy from the sun, plants combine carbon dioxide (CO2) from the air with water and minerals from the soil to produce carbohydrates, building their bodies and the soil around them. Carbon is recognized as a key energy currency of biological systems, including agricultural systems. Agricultural production depends on plant photosynthesis to move carbon dioxide out of the atmosphere and into the plant, where it is transformed into agricultural products: food, flora, fuel or fiber.

Common agricultural practices, including driving a tractor, tilling the soil, overgrazing, clearing forests and degrading water sources, result in the return of this soil and biomass carbon to the air. It is estimated that as much as one-third of the surplus CO2 in the atmosphere that’s causing climate change has come from agricultural and land management practices.

On the other hand, there are certain commonly used agricultural practices through which photosynthetically derived carbon can be sequestered and stored in the soil. Carbon farming involves implementing practices that are known to improve the rate at which CO2 is removed from the atmosphere and converted to plant material and soil organic matter. Carbon farming is successful when carbon gains resulting from enhanced land management or conservation practices exceed carbon losses. — Marin Carbon Project

Eco-Cycle is implementing carbon farming pilot projects here in Boulder County and beyond.

We have much yet to learn about the potential of soil as a global carbon sink, best methods for long-term sequestration, and perhaps most importantly, how to incentivize the massive adjustments to farming and land-management practices that are necessary. We also have yet to explore the potential of using urban landscapes as potential carbon sinks. 

Eco-Cycle is working to initiate and implement carbon farming pilot projects in Boulder County that would adapt the science used in Marin County for the Rocky Mountain climate and allow our local farmers to have direct experience with carbon farming. As a result, carbon farming pilot projects are now underway on Boulder County and City of Boulder agricultural open space. We are also working with residents and city planners to trial carbon farming practices in backyards and public spaces to determine whether these soils can also be a critical part of the solution. 

  • Learn more about Eco-Cycle’s community carbon farming pilot, carbon farming in urban backyards
  • Want to develop a carbon farming campaign in your community? Use our toolkit developed from our three-year urban carbon farming pilot. 

Related Resources

  • Resources

Video: Microplastics in Compost

Toolkit: Carbon Farming Program

Report: The State of Recycling in Colorado, 2020

Fact Sheet: The Compost Solution

See All Resources
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