When Commons Become Casualties: Illegal Mining and Indonesia’s Tragedy

By Niken Arumdati
Secretary of the Energy and Mineral Resources Office of NTB Province

In 1968, ecologist Garrett Hardin published a provocative essay in the journal Science titled “The Tragedy of the Commons.” He argued that when a resource is open to all, individuals acting rationally in pursuit of their own interest will, unintentionally yet inevitably, destroy it. What appears sensible for one person becomes disastrous for the collective.

More than half a century later, Hardin’s warning reverberates across Indonesia’s forests, rivers and mineral-rich hills. Nowhere is it more visible than in the persistent crisis of illegal mining.

Illegal mining flourishes in what economists describe as an open-access environment. Forests are entered without permits. Riverbanks are dredged without oversight. Abandoned concessions become informal extraction zones. In theory, these lands and waters belong to the state and are meant to serve the public interest. In practice, weak enforcement and fragmented governance create the illusion that they belong to no one.

The dynamic closely mirrors Hardin’s famous grazing pasture. For an individual miner, extracting an additional sack of ore generates immediate income. The personal gain is tangible and direct. The environmental cost, deforestation, mercury contamination, eroded riverbanks, landslides is dispersed across communities and ecosystems. The miner captures the profit; society absorbs the damage.

In provinces such as West Nusa Tenggara, parts of Sulawesi and Kalimantan, illegal gold mining has left a visible scar. Rivers once used for irrigation and fisheries carry toxic residues. Agricultural productivity declines. Coastal ecosystems suffer sedimentation. Communities face rising health risks from mercury exposure. Yet the activity persists. For each participant, the calculation remains the same: the short-term economic reward outweighs the perceived personal risk.

Hardin would recognize this pattern instantly. Rational individuals, operating within limited economic choices, collectively generate irrational and destructive outcomes.

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Illegal mining is often framed narrowly as a criminal justice problem. Raids are conducted. Equipment is confiscated. Arrests are made. While enforcement is necessary, the phenomenon is also a structural governance challenge. Many small-scale miners are driven not by greed alone but by economic vulnerability. When commodity prices rise, participation expands. When oversight weakens, opportunistic actors step in. Each decision is rational within its own context. Together, they create ecological degradation and social tension.

Hardin famously argued that the tragedy of the commons cannot be solved by technical solutions alone. In the mining sector, improved extraction methods or better tailings technology mean little if operations remain unregulated and incentives remain misaligned. Technology without governance simply accelerates extraction.

Indonesia does not lack regulatory frameworks. Mining laws, environmental standards and licensing procedures are comprehensive on paper. Yet illegal mining exposes a persistent gap between regulatory design and field-level implementation. Ambiguous control over abandoned or poorly monitored concessions creates grey areas ripe for exploitation. Economic fragility in rural communities makes illegal mining appear as a viable survival strategy. Fragmented authority among institutions weakens consistent supervision.

In Hardin’s terms, freedom in the commons continues without mutually agreed and effectively enforced constraints. The outcome is predictable.

However, reducing illegal mining to a matter of repression alone risks oversimplification. Excessive criminalization without structural reform can push operations further underground, making oversight even more difficult. What is required instead is what Hardin described as “mutual coercion, mutually agreed upon”—collective rules that align individual incentives with long-term public interest.

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Translated into contemporary governance, this means spatial planning that is clear and enforceable, rigorous supervision of reclamation obligations, and formalization pathways for small-scale miners under strict environmental standards. It also requires broader economic diversification so that communities are not trapped in dependency on extractive activities. Transparency in mineral supply chains must be strengthened so that illicit products find no market.

The challenge is particularly urgent as global demand for minerals intensifies under the energy transition. Indonesia’s resource wealth presents an opportunity for economic growth. Yet without strong governance, rising demand can intensify illegal extraction and environmental degradation. The same forces that promise prosperity can deepen the tragedy.

Importantly, Hardin’s thesis does not imply that shared resources are doomed to destruction. Subsequent scholarship has demonstrated that communities can successfully manage commons when institutions are robust, rules are clear and compliance is monitored. The lesson is not that commons must be privatized or eliminated, but that they must be governed responsibly.

Illegal mining, therefore, becomes more than an environmental issue. It is a test of institutional maturity. Do we allow short-term rationality to dictate long-term ruin? Or can we design systems where economic opportunity coexists with ecological stewardship?

Natural resources are a public trust embedded in constitutional principles. When they are exploited illegally, the loss transcends environmental damage. It erodes public revenue, undermines rule of law and weakens intergenerational justice.
Indonesia’s rivers, forests and mineral reserves are our shared pasture. If governance remains weak, the tragedy Hardin described will not remain an academic metaphor. It will materialize in poisoned waterways, degraded landscapes and fractured communities.

The commons are not ownerless. They belong to the nation. And safeguarding them is not merely a regulatory obligation—it is a collective responsibility.

Editor: Tyson Michael Burnett, Ismail Zakaria.