Across Africa, communities and governments are confronting a problem that has been allowed to grow for years: the illegal exploitation of the continent’s natural resources.
From gold and diamonds to timber and other minerals, valuable resources are being extracted outside formal systems, depriving governments of revenue, damaging the environment and, in some cases, fuelling organised crime.
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Yet there are signs that the tide can turn.
South Africa’s Operation Prosper demonstrates what coordinated enforcement can achieve. The operation has targeted illegal mining networks, resulting in arrests and the seizure of gold, firearms and ammunition. But these successes also expose the scale of the challenge. Thousands of so-called zama zamas continue to operate in abandoned mines, some extending several kilometres underground.
Illegal mining remains a major economic and security problem in South Africa. The scale of the activity makes one thing clear: enforcement is necessary, but it cannot be the entire solution.
At the heart of the problem is a difficult contradiction. Artisanal and small-scale mining provides livelihoods for millions of Africans, yet many of those miners operate outside formal legal and regulatory systems.
Across the continent, the artisanal and small-scale mining sector supports communities that have few other economic opportunities. In countries such as Ghana, informal gold mining, popularly known as galamsey, has become deeply embedded in local economies.
The failure to provide accessible routes into the formal economy has created a system in which people who depend on mining for survival can find themselves criminalised rather than supported.
That does not mean illegal mining should be tolerated. Organised networks that exploit workers, evade taxes, traffic people, finance violence or damage protected environments must face serious consequences.
But distinguishing between criminal syndicates and vulnerable miners is essential.
The Environmental Cost
The consequences extend far beyond lost government revenue.
Gold extraction, particularly where mercury is used without adequate controls, can cause serious environmental and health damage. Rivers and other water sources can become contaminated, while forests and agricultural land are cleared to make way for mining operations.
In Ghana, the environmental damage associated with illegal mining has become a national concern. Rivers that once supported farming, fishing and household needs have been degraded, threatening communities whose livelihoods depend on them.
The cost of this destruction is rarely reflected in the price of the gold produced.
Instead, the burden falls on communities downstream, farmers whose land has been damaged and governments that must eventually pay for environmental restoration.
This creates a distorted market in which the true cost of extraction is effectively passed on to society.
When Illegal Mining Becomes Organised Crime
The security implications are equally serious.
In parts of southern Africa, illegal mining has evolved beyond small-scale informal activity into organised networks involving armed groups, illicit financial flows and the exploitation of vulnerable workers.
In South Africa, zama zama operations have been associated with violent competition over mining territory and control of underground workings. Reports of weapons, human trafficking and dangerous working conditions illustrate how the industry can become intertwined with wider criminal networks.
This is where strong enforcement is essential.
The state must be able to dismantle the syndicates that profit from illegal extraction, prosecute those financing the networks and disrupt the supply chains that allow illegally mined minerals to enter legitimate international markets.
But enforcement must be targeted. Arresting individual miners without addressing the networks behind them risks treating the symptoms while leaving the underlying system intact.
Making Legality Worth Choosing
One of the most effective ways to tackle illegal mining is to make legal mining a realistic alternative.
For many artisanal miners, formalisation can be difficult. Licensing procedures may be complicated, fees may be unaffordable, geological information may be inaccessible and legitimate buyers may be difficult to find.
When the legal route is slow, expensive or inaccessible, informal operators have little incentive to enter it.
African governments can change this equation by simplifying licensing, providing geological information, offering technical support and creating transparent routes to market.
There are already examples across the continent of efforts to bring artisanal miners into formal systems. Where miners can obtain legal permits, access safer equipment and sell their minerals through recognised channels, formalisation becomes more attractive.
The lesson is straightforward: people are more likely to comply with rules when the rules are practical, fair and beneficial.
Technology Can Clean Up the Supply Chain
Technology could also play an important role.
Blockchain-based systems and digital traceability platforms are being explored as ways of tracking minerals from their point of extraction to international markets. Such systems can make it harder for illegally sourced minerals to be mixed with legitimate production and provide buyers with greater confidence about where their materials come from.
For Africa, this is particularly important as demand for critical minerals continues to grow.
The continent possesses enormous reserves of minerals that are central to the global energy transition and modern technology. But simply extracting more minerals will not guarantee greater prosperity.
African countries need to know where their minerals come from, who is extracting them, who is buying them and how much value is being retained locally.
Stronger traceability systems can help governments answer those questions.
Following the Money
Corruption remains another major obstacle.
Where officials responsible for policing mining, issuing licences or controlling borders can be bribed, illegal operations can continue with surprising resilience.
This creates an informal system in which criminal networks effectively pay for protection rather than paying legitimate taxes, royalties and fees to the state.
Tackling corruption must therefore be part of resource governance reform.
Governments need stronger oversight of licensing and customs processes, transparent payment systems and effective penalties for officials who facilitate illegal extraction. Without these measures, even the strongest laws can be undermined from within.
The International Responsibility
Africa cannot solve the problem alone.
Illegal and illegally sourced minerals ultimately enter international supply chains. Gold extracted in one country may be transported through several jurisdictions before reaching a global market.
This means responsibility also rests with international traders, refiners, financial institutions and destination markets.
Stronger due-diligence requirements, better import controls and greater transparency in international mineral trading can help close the channels through which illegally sourced resources enter legitimate markets.
For Africa, this is about more than stopping illegal mining. It is about ensuring that the continent’s natural wealth generates legitimate economic value for the people and countries where it originates.
From Enforcement to Inclusion
Operation Prosper shows that African governments can take decisive action against illegal mining. But enforcement alone cannot solve a problem rooted in poverty, unemployment, weak regulation and limited economic opportunity.
The long-term answer lies in combining enforcement with inclusion.
Governments must pursue criminal syndicates aggressively while creating genuine pathways for artisanal miners to operate legally. That means simpler licensing, technical assistance, access to finance, safer working conditions, transparent markets and programmes for environmental rehabilitation.
The opportunity is considerable.
A better regulated artisanal and small-scale mining sector could generate more public revenue, improve working conditions and give millions of people a legitimate stake in the resources beneath their feet.
Africa’s natural wealth should not become a source of permanent conflict, environmental destruction or illicit enrichment.
It should become a foundation for development.
The goal, therefore, is not simply to shut down illegal mines. It is to build a resource economy in which legality is accessible, enforcement is credible, communities benefit, and Africa captures a greater share of the value generated by its own resources.
Reclaiming Africa’s wealth will require more than police operations. It will require governments, communities, businesses and international markets to work together to replace illicit networks with transparent systems that turn the continent’s extraordinary mineral wealth into shared prosperity.
