Brazil’s Federal Court of Accounts, the nation’s top audit institution, confirmed last year that mining permits granted by the National Mining Agency were being exploited to launder gold illegally extracted from protected areas in the Amazon. This systemic fraud directly impacts Indigenous groups and other communities, accelerating deforestation and driving mercury contamination to dangerous levels across their ancestral lands.
Prosecutor André Porreca, leading a federal lawsuit against the National Mining Agency, stated that these permits have become a front used “to launder gold extracted by criminal organizations from Indigenous territories and protected areas.” This institutional complicity allows criminal networks to exploit national resources and displace native populations, all while presenting their illicit gains as legitimate.
Greenpeace, in an independent report published just two months ago, detailed the mechanics of this “ghost mine scam.” Owners of legally authorized mines would declare tons of gold extracted, yet satellite and aerial imagery showed no activity at these sites. Simultaneously, images of bordering Indigenous lands, where mining is strictly banned, revealed extensive, large-scale operations, exposing the deliberate deception.
Elite Complicity and Fraud
A worldwide surge in gold prices has only intensified this mining rush in the Amazon rainforest. Amazon Mining Watch, a platform tracking mining via satellite imagery, estimates that approximately 496,000 hectares (1.2 million acres) of rainforest have been destroyed for mining since 2023, with 223,000 hectares (551,000 acres) in the Brazilian Amazon alone. This vast destruction serves global market demands, not the needs of the local populace.
Forensic science at the National Institute of Criminalistics in Brasilia, developed since 2019 in collaboration with Brazilian universities, aims to trace gold origins. Federal police forensics expert Gustavo Geiser described the method as “gold fingerprinting,” allowing investigators to determine if seized gold came from protected areas. This technical solution, however, operates within a system already compromised by elite interests.
Geiser noted that crime networks have recently begun exploiting neighboring countries like Venezuela, French Guiana, and Suriname to launder illegally mined gold. Samples from abroad now join the constantly growing database at his lab, indicating the transnational nature of this illicit trade and the porous borders that facilitate it.
The Human Cost of Global Markets
The devastating mercury contamination from illegal gold mining disproportionately affects Indigenous life. A 2023 study by Fiocruz, a Brazilian science institute, found that 21.3% of fish in Amazonian markets exceeded the World Health Organization’s (WHO) safety limits for mercury. Children between 2 and 4 years old were consuming mercury at levels up to 31 times the recommended maximum, a direct assault on the health of the next generation.
Federal prosecutors have urged that Indigenous groups, the primary victims of this contamination, be consulted on new policies to ease out mercury. This consultation, however, has not yet occurred, leaving those most affected without a voice in decisions impacting their very survival.
Supranational Directives
Brazil signed the U.N. agreement known as the Minamata Convention on Mercury, committing the nation to eliminate mercury use in gold mining. This month, the Ministry of Mines and Energy published a draft on easing out mercury, which remains open for debate until August 7, in 14 days. Such international agreements often dictate national policy, further eroding local self-determination.
Geiser stated that a total ban on mercury would both curb environmental contamination and bolster forensic investigations, making any mining using mercury “even clearer” as illegal. While presented as a solution, this approach relies on external frameworks and enforcement, rather than empowering local communities to protect their lands.
This month, a federal court in Para, a northern state severely impacted by illegal mining, ordered institutions like the Central Bank and the National Mining Agency to enact effective control and traceability of all gold. This judicial intervention highlights the failure of existing national agencies to protect national assets and native populations from transnational exploitation.