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Interholco - Climate-Friendly Biochar

Made in Africa with Swiss precision: Congo's Carbon removals from climate-friendly biochar

Republic of the CongoBiochar

Buyer Protection

Counts towards net zero Carbon Removal

Project Overview

Developed by

#106

Million litres of drinking water were provided to the village in 2022

#1,159

Million hectares of nature capital

#18,000

Local inhabitants benefited

Interholco’s Tropi’Coal Biochar project transforms sustainably sourced sawmill wood residues from its FSC-certified concession in the Republic of Congo into high-quality biochar, locking carbon away for centuries. By repurposing wood waste that would otherwise decompose and release CO2, the project delivers durable carbon sequestration while enhancing soil fertility for local agriculture. Certified under the Global Carbon Standard, Tropi’Coal combines climate impact with circular resource use, supports sustainable forest management, and generates socio-economic benefits for surrounding communities through job creation and skill development.

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What is Biochar?

Biochar is a carbon removal method where organic materials like wood or crop waste are heated in a low-oxygen environment to create a stable form of carbon called biochar. This process, known as pyrolysis, turns the carbon into a solid that can be buried in soil. Once in the soil, biochar can trap carbon for hundreds to thousands of years, helping to reduce the amount of CO2 in the atmosphere.

Beyond carbon removal, the biochar process also addresses waste management and enhances soil fertility, leading to improved agricultural productivity.

The Intergovernmental Panel on Climate Change (IPCC) has recognised biochar as a viable carbon removal method. Similarly, the European Commission's Joint Research Centre (JRC) has demonstrated biochar's significant potential in both carbon sequestration and soil health improvement.

Research

Role of biochar in carbon sequestration

Biochar in soil sequesters carbon and mitigates greenhouse gases, aiding climate change mitigation.

Biochar as a viable carbon sequestration option

Biochar production and soil mixing offer carbon sequestration benefits; biomass and soil availability support viability.

Project Certifications and Claims

Isometric

This project has passed the Isometric Standard, verifying that its carbon credits are durable, additional, and measured using advanced scientific techniques.

AI Quality Framework

Senken follows a 500+ datapoint AI Quality Framework to select and onboard project developers. Only 5% of the projects we assess score high enough to make it into customer portfolios.

Socioeconomic Impact

The Tropi’Coal Biochar project strengthens the social fabric of its surrounding communities by creating skilled employment in biochar production and related forestry operations. Local workers gain training in sustainable manufacturing techniques, opening pathways to stable incomes and long-term career growth. Revenue from the project circulates within the region, supporting small businesses and essential services, while collaboration with community stakeholders ensures that economic gains are shared and rooted in local priorities.

Environmental Impact

By transforming sawmill residues into biochar, the Tropi’Coal project halts the release of stored carbon and locks it safely in a stable form for centuries. This process not only mitigates greenhouse gas emissions but also revitalises soils, improving their structure, nutrient retention, and water-holding capacity. Operating within an FSC-certified forest concession, the project supports responsible forest management while maintaining the ecological integrity of the Congo Basin. Ask ChatGPT

12. Responsible Consumption and Production

Senken's Take

The Tropi’Coal Biochar project offers one of the most credible and durable carbon removal pathways available in tropical forestry. By converting FSC-certified sawmill residues from the Congo Basin into stable biochar, it locks carbon away for centuries while creating measurable soil health benefits. Its operations are embedded within a responsibly managed forest concession, ensuring alignment with high environmental and social safeguards. Certified under the Global Carbon Standard, this project delivers permanence, additionality, and verifiable impact, making it a strong choice for companies seeking high-quality nature-based removals with meaningful co-benefits for both people and ecosystems.

Made in Africa with Swiss precision

Cutting-edge carbon removal