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March 6, 2024
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By
Katie Jones
Graphics & Design
- Sabrina Fortin
The following content is sponsored by Carbon Streaming
What is Biochar and Why Do We Need It?
Biochar has the remarkable potential to absorb up to 3 billion tonnes of CO2e every year, which is roughly 6% of the world’s greenhouse gas emissions.
We’ve teamed up with Carbon Streaming to explain what biochar is, and why it is considered to be a game changer for carbon removal and sustainable agriculture.
Biochar’s Big Benefits
To start, biochar—short for biological charcoal—is made by heating organic materials (like agricultural waste, wood chips, or other biomass) in the near or total absence of oxygen, creating a stable form of carbon that resists decomposition and lasts for centuries.
Biochar is commonly referred to as “black gold” as it is valuable for many significant reasons, particularly in the fields of agriculture, environmental sustainability, and climate change mitigation. These include:
- Acts as a carbon sink: Biochar sequesters and stores atmospheric CO2 in a stable form for hundreds or thousands of years, helping to mitigate climate change.
- Improves crop yields: By enhancing soil fertility, water retention, and nutrient uptake, biochar creates a healthier environment for plant growth, leading to higher yields.
- Enhances soil fertility: It absorbs and retains nutrients within the soil, making them more accessible to plants and minimizing leaching.
- Reduces methane emissions: Biochar promotes soil conditions that suppress methane-producing organisms, thus cutting down on methane emissions.
- Utilizes waste: Turning agricultural and organic residues into biochar not only provides a valuable soil amendment but also reduces landfill waste.
Biochar production is a valuable carbon removal technology that can help achieve net-zero emissions because of these powerful benefits.
Biochar’s Emissions Removal Potential
The data we used comes from a study conducted by Lefebvre et al. and highlights global biochar carbon dioxide removal potential as a percentage of total national GHG emissions in 2020.It states that biochar could remove a minimum of 10% of national emissions in more than 25 countries, primarily concentrated in Africa, South America, and Eastern Europe. In Africa for example, Eswatini’s potential for sequestering emissions was as high as 32%.
Meanwhile in South America, Argentina, Brazil, and Paraguay could significantly reduce their carbon emissions by 24%, 16%, and 13%, respectively, thanks to biochar.
Regions with limited biochar impact often have dry climates, which naturally constrain agricultural production—the main source of biomass residue for biochar.
A Versatile Solution
Biochar is gaining popularity due to the pyrolysis (heating) process used to make it, which is a well-established technique that has been refined over more than a century. As a result, the production of biochar can be scaled from small, local systems to large industrial operations, making it a flexible solution that can be adapted to different needs and locations.
These attributes make biochar not just a tool for carbon removal but a versatile and powerful solution that addresses various environmental, agricultural, and economic challenges.
Carbon Streaming is advancing high quality carbon removal projects with carbon credit streams on two biochar production facilities in the United States: Waverly Biochar in Virginia and Enfield Biochar in Maine.
Learn more about Carbon Streaming’s Biochar projects.
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Related Topics: #soil #Carbon Streaming #carbon sink #global emissions #carbon removal #emissions #waste #world map #tech #technology
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