Nicolas Niarchos: Cobalt mining in the DRC resembles modern-day slavery, Chinese companies dominate the supply chain, and ethical sourcing is crucial for clean energy | Jordan Harbinger

Exploitive cobalt mining in the DRC reveals ethical challenges within the global clean energy supply chain.

Listen on The Jordan Harbinger Show

Share

Add us on Google by Editorial Team Apr. 21, 2026

Key Takeaways

• The clean energy supply chain is fraught with ethical challenges, particularly in cobalt mining.
• Cobalt mining in the DRC often involves exploitative labor conditions akin to modern-day slavery.
• Chinese companies dominate the cobalt supply chain, linking them to major tech firms.
• Lithium-ion batteries are pivotal to the electric vehicle and smartphone industries.
• The global supply chain for critical metals like cobalt involves numerous countries.
• Cost efficiency, rather than environmental concerns, drives current supply chain practices.
• China is a major player in battery metal processing due to its investment and power infrastructure.
• Political instability and poor infrastructure hinder Congo’s ability to advance in the supply chain.
• The conflict in the DRC is fueled by mineral resources and legitimate security concerns.
• Rwanda funds its security operations through mineral sales, linking resource control to conflict.
• The battery supply chain’s complexity is a barrier to transparency and ethical sourcing.
• The ethical implications of the clean energy supply chain necessitate greater corporate accountability.
• The interplay between resource control and security issues complicates the DRC’s geopolitical landscape.
• The prioritization of cost over environmental impact is a significant sustainability challenge.
• Understanding the global supply chain is crucial for informed discussions on resource management.

Guest intro

Nicolas Niarchos is a journalist whose work on energy, war, and migration has appeared in The New Yorker, The Nation, and The New York Times, and author of The Elements of Power. He has testified on Capitol Hill about the effects of Congolese battery metal mining. His reporting has exposed artisanal cobalt mining conditions in the Democratic Republic of Congo.

The dark side of the clean energy supply chain

• The battery supply chain for clean energy is not as clean as it seems, often involving unethical labor practices.

  — Nicolas Niarchos

• Many tech companies, including Apple, have recently pledged to clean up their supply chains.

• Your phone has at least a 20% chance of having cobalt that was dug out by an artisanal miner.

  — Nicolas Niarchos

• The complexities of the battery supply chain raise significant ethical concerns.
• The sourcing of materials like cobalt is crucial for discussions about sustainability.
• Ethical sourcing is often overlooked in the rush for clean energy technologies.
• Transparency in the supply chain is essential for corporate accountability.
• The ethical implications of cobalt mining highlight the need for better labor practices.

Modern-day slavery in cobalt mines

• The conditions in cobalt mines in the Democratic Republic of the Congo resemble modern-day slavery.

  — Nicolas Niarchos

• Workers in these mines are often exploited and underpaid.

• There are really situations in which these people are being essentially treated not just as very low-paid workers but essentially it’s conditions of modern-day slavery.

  — Nicolas Niarchos

• The socio-economic conditions in the DRC contribute to these exploitative practices.
• Human rights issues in mining are critical for ethical discussions in the industry.
• The exploitation of workers in the DRC is a significant human rights concern.
• Better labor practices are needed to address these issues.
• The global demand for cobalt exacerbates these exploitative conditions.

China’s role in the cobalt supply chain

• Chinese companies are the largest buyers of cobalt from Congolese mines, linking them to major tech companies.

  — Nicolas Niarchos

• Companies like Congo Dongfang Mining are key players in the cobalt market.

• The biggest buyers are the Chinese… Congo Dongfang Mining is a subsidiary of Huayou, which is an approved supplier of Apple.

  — Nicolas Niarchos

• The global supply chain links local mining practices to major tech firms.
• Ethical concerns arise from the involvement of Chinese companies in the supply chain.
• The dominance of Chinese companies highlights the need for transparency.
• The connection between local mining and global tech firms is crucial for ethical sourcing.
• The role of Chinese companies raises questions about corporate accountability.

The importance of lithium-ion batteries

• Lithium-ion batteries are essential for modern technology and the electric vehicle revolution.

  — Nicolas Niarchos

• These batteries are central to the smartphone and electric vehicle industries.

• A lithium-ion battery is a type of very powerful battery that was first created in the 1970s… they’re central to the electric vehicle revolution.

  — Nicolas Niarchos

• The significance of lithium-ion batteries in modern technology is undeniable.
• The transition to electric vehicles depends heavily on these batteries.
• Understanding their role is crucial for discussions about clean energy.
• The demand for lithium-ion batteries drives the need for ethical sourcing.
• The importance of these batteries underscores the need for sustainable practices.

The global nature of supply chains

• The supply chain for critical metals like cobalt is complex and involves multiple countries.

  — Nicolas Niarchos

• A single battery may be touched by 5 to 10 countries before reaching consumers.

• Chances are that your battery has probably been touched by five to 10 countries.

  — Nicolas Niarchos

• The intricate nature of supply chains complicates transparency efforts.
• Global supply chains are driven by cost efficiency rather than environmental concerns.

• It’s just a little bit cheaper… let’s do it in 15 different countries because it’s just a little bit cheaper.

  — Nicolas Niarchos

• The prioritization of cost over environmental impact is a significant issue.
• Understanding the global supply chain is crucial for resource management discussions.

China’s dominance in battery metal processing

• The processing of battery metals is heavily concentrated in China due to the need for significant investment and stable power supply.

  — Nicolas Niarchos

• China processes 70 to 90% of battery metals, depending on the metal.

• There are a few places in Finland, there’s one place in the US that might or might not be able to do it for lithium but very limited.

  — Nicolas Niarchos

• The concentration of processing facilities in China poses challenges for other regions.
• The need for investment and stable power supply limits processing capabilities elsewhere.
• China’s role highlights the challenges faced by other regions in processing battery metals.
• The geographical distribution of processing facilities is crucial for understanding the supply chain.
• The dominance of China in processing underscores the need for diversification.

Congo’s challenges in advancing the supply chain

• Congo’s inability to move up the supply chain is due to political instability and underinvestment in its power grid.

  — Nicolas Niarchos

• The lack of stable power supply is a significant barrier to advancement.

• You need to have an incredible amount of investment… Congo just doesn’t have a stable power supply.

  — Nicolas Niarchos

• Political instability further complicates efforts to improve the supply chain.
• Underinvestment in infrastructure hinders Congo’s economic progress.
• The systemic issues in Congo have broader implications for the global supply chain.
• Addressing these challenges is crucial for Congo’s economic development.
• The need for investment in infrastructure is critical for supply chain advancement.

The conflict in the DRC and its drivers

• The conflict in the DRC is driven by both mineral resources and legitimate security concerns.

  — Nicolas Niarchos

• The interplay between resource control and security issues complicates the conflict.

• It’s obviously completely unconscionable that they’ve done so… but actually they do have a legitimate security concern.

  — Nicolas Niarchos

• The conflict is fueled by both economic and security motivations.
• Understanding the geopolitical dynamics is crucial for addressing the conflict.
• The role of mineral resources in the conflict highlights the need for ethical sourcing.
• The security concerns in the region are intertwined with resource control.
• Addressing the conflict requires a nuanced understanding of its drivers.

Rwanda’s funding of security operations

• Rwanda is funding its security operations through the revenue generated from mineral sales.

  — Nicolas Niarchos

• The sale of minerals like gold, coltan, and tin funds military operations.

• He couldn’t continue an insurgency for this long without some sort of funding… the funding is provided by selling this gold, this coltan and tin.

  — Nicolas Niarchos

• The economic motivations behind the conflict are linked to resource control.
• The role of mineral sales in funding security operations underscores the need for transparency.
• Understanding Rwanda’s economic strategies is crucial for addressing the conflict.
• The link between resource control and military funding complicates efforts to resolve the conflict.
• Addressing the economic drivers of the conflict is essential for peace efforts.

Disclosure: This article was edited by Editorial Team. For more information on how we create and review content, see our Editorial Policy.