Negative Emissions: Biochar’s Test as a Scalable CO2 Removal

The episode positions biochar as one of the few negative‑emissions technologies that already delivers verifiable carbon removals at scale. Procline’s CEO explains how the company mapped invasive plant species across India, Sri Lanka and other South‑Asian regions, turning a costly ecological problem into a reliable feedstock for biochar production. By securing government mandates in eight Indian states, Procline demonstrates that strategic feedstock planning can overcome the traditional supply bottleneck and keep the carbon locked in stable, soil‑amended charcoal for decades.

Scaling beyond pilot plants, however, hinges on two logistics: moving the biochar into the soil and guaranteeing its permanence. The host and guest note that industrial‑scale facilities provide stronger measurement‑reporting‑verification (MRV) and lower carbon leakage than artisanal, community‑driven projects, though the latter offer valuable social benefits. Pricing is driven not only by production costs but also by the rigor of MRV, delivery guarantees, and counter‑party risk. Long‑term off‑take agreements with fertilizer companies and other commodity buyers are emerging as the preferred financing model, reducing reliance on volatile carbon‑credit markets.

Demand for durable CDR credits is expanding as early adopters such as Microsoft step back and a broader set of corporations seek to meet climate pledges. Aggregators are now matching supply with buyers, and Procline’s diversified revenue stream—30‑40 % from carbon credits and the remainder from biochar, bio‑oil and related products—illustrates a resilient business case. As standards like ISCC, Pure Earth and Rainbow endorse distributed production, the sector is poised for rapid growth, provided feedstock pipelines remain secure and off‑take contracts stay long‑term.