Highlights
- Political scientist Robert Muggah warns that surging demand for rare earths, niobium, and coltan could turn parts of the Amazon into a criminalized supply chain frontier.
- Criminal networks can profit without owning mines by controlling territory, extorting operators, and laundering illegally mined ore into legitimate global markets.
- Diversifying supply chains away from China does not guarantee ethical sourcing; traceability, beneficial ownership transparency, and independent audits are critical safeguards.
- The report draws on evidence from Brazil, Colombia, Peru, and Venezuela, highlighting weak governance and fraudulent permitting as key vulnerabilities.
- Securing critical minerals is framed as a governance challenge as much as a geological one, with the green transition at risk of swapping one strategic vulnerability for another.
The global race to secure rare earths, niobium, coltan, cassiterite, and other critical minerals may be creating an unexpected vulnerability: organized crime. In a new report (opens in a new tab) for the Toda Peace Institute, political scientist Robert Muggah (opens in a new tab), founder of the Igarapé Institute and adviser to international organizations including the United Nations, World Bank, and Inter-American Development Bank, warns that rising demand for strategic minerals used in electric vehicles, defense systems, artificial intelligence, and renewable energy could transform parts of the Amazon Basin into what he describes as a "criminalized supply chain frontier." Drawing on evidence from Brazil, Colombia, Peru, and Venezuela, Muggah argues that while most critical mineral production remains legal today, criminal networks are increasingly positioned to exploit weak governance, fraudulent permitting, and opaque supply chains as demand accelerates.
Following the Money, Not Just the Minerals
Unlike a traditional geological study, this report is a policy and security analysis. Muggah reviewed documented law-enforcement actions, government investigations, environmental studies, and international reports to examine how illegal mining networks can infiltrate critical mineral supply chains. The paper focuses on mechanisms such as fraudulent licenses, shell companies, cross-border smuggling routes, and the laundering of illegally extracted ore into legitimate markets.
Robert Muggah

The Emergence of a "Narco-Mineral Complex"
The report highlights Brazil's strategic importance as the world's leading niobium producer and home to some of the largest rare earth reserves outside China. Yet the same Amazonian regions attracting investment are also vulnerable to illegal mining, Indigenous land conflicts, mercury contamination, and organized crime. Muggah argues that criminal groups do not need to own mines to profit; they can control territory, extort operators, manipulate transport routes, and exploit weak oversight. Particularly concerning is the finding that illegally sourced minerals can be made to appear legitimate through paperwork, cooperatives, and intermediaries before reaching global markets.
Why Investors Should Pay Attention
The report raises a broader question for the West's critical mineral strategy. Diversifying supply chains away from China may reduce geopolitical dependence, but it does not automatically create secure or ethical supply chains. According to Muggah, traceability, chain-of-custody verification, beneficial ownership transparency, and independent audits may become as important as mining capacity itself.
Limitations and Controversies
The report is not based on new field sampling or quantitative supply-chain analysis. Many of its conclusions are inferential and focus on potential future risks rather than proven widespread criminal penetration of rare earth supply chains. Critics may also argue that the paper underemphasizes the economic benefits that responsible mining can bring to developing regions and risks conflating legitimate mining development with illegal extraction.
What Comes Next?
For governments, miners, and investors, the report's central message is straightforward: securing critical minerals is not only a geological challenge—it is a governance challenge. If the West hopes to build resilient supply chains outside China, stronger traceability systems, enforcement mechanisms, and transparency standards will be required. Otherwise, the green transition risks replacing one strategic vulnerability with another.
Citation: Muggah R. The Criminal Underside of the Green Transition: How Critical Minerals Could Turn the Amazon into a Strategic Asset, or a Criminalized Supply Chain Frontier. Toda Peace Institute Report No. 305, June 5, 2026.
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