Explore the business of deep sea mining with Craig Shesky of The Metals Company (TMC). Learn how polymetallic nodules could power the green energy transition.

We’re at a point where the 'inherently unknowable' future is becoming knowable, one data point at a time. Are we willing to accept a 'measured' impact in one area to prevent a 'deeply impactful' scar in another?
Create a high-fidelity audio lesson based on the provided interview transcript featuring Craig Shesky of The Metals Company (TMC). The lesson must adhere strictly to the transcript content, distinguishing between interviewee claims and interviewer observations. Structure the lesson with an opening thesis on the tension between TMC's vision and its proof, followed by sections on the business model of polymetallic nodules, financial analysis (CFO role, SEC reporting, NPV/EBITDA), the regulatory landscape (ISA and NOAA/DSHMRA), and the environmental debate. Use Marc Andreessen’s analytical style: lead with counterarguments and tag every major claim with a confidence level ([High], [Moderate], [Low], [Unknown]). Ensure all technical terms like discount rates, plumes, and carbon trade-offs are explained for a non-technical but intelligent audience. Verbatim URL reference: "Anytime you're talking about a prediction about the futur…" (source transcript provided in user input).



The Metals Company, or TMC, is a business focused on collecting polymetallic nodules from the ocean's abyssal plain. As discussed by CFO Craig Shesky, the company is building a business case for harvesting these potato-sized rocks to provide the essential minerals needed for the global transition to green energy. TMC aims to offer a more sustainable alternative to traditional land-based mining methods that often result in significant environmental damage, such as the destruction of rainforests.
Polymetallic nodules are small, loose rocks found on the seafloor, specifically on the abyssal plain about four kilometers deep. These nodules contain critical ingredients like nickel, copper, cobalt, and manganese, which are vital for powering green energy technologies. Because these rocks sit loosely on the ocean floor, they can essentially be picked up, potentially avoiding the heavy environmental and economic costs associated with traditional mining practices used to extract these same minerals on land.
The primary challenge for the deep sea mining industry is that it is a new field that has not yet fully commenced operations. Companies like TMC must bridge the gap between their massive vision and the hard proof required to satisfy regulators and investors. A major hurdle involves proving that harvesting these nodules can be done responsibly without destroying deep-sea ecosystems that are currently not well understood, all while navigating the complex requirements of international regulators.
Cree par des anciens de Columbia University a San Francisco
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