The Minamata Convention encourages the identification and management of sites contaminated with mercury. Without intervention, mercury from these sites continues to leach into ecosystems, where it bioaccumulates in plants and animals, exposing local populations to long-term risks. Many of these sites are located near Indigenous Peoples, marginalized populations, and environmentally sensitive areas, exacerbating social and ecological vulnerabilities. The Convention urges countries to take preventive and corrective measures to manage these sites, including risk assessments, containment strategies, and cleanup efforts tailored to local conditions.

Identifying and managing mercury-contaminated sites

 

Under Article 12, the Convention requires Parties to develop strategies for identifying mercury-contaminated sites and assessing their risks. Effective site management includes evaluating past industrial activities, monitoring mercury levels in soil and water, and prioritizing high-risk locations for remediation. National frameworks must ensure that contaminated sites are properly secured to prevent further exposure, particularly in areas where agricultural activities, fisheries, and water sources are affected.

 

 

A global commitment to site management

 

Addressing mercury-contaminated sites requires sustained efforts, technological innovation, and financial resources. The Convention encourages international cooperation in sharing expertise on management and remediation techniques, developing cost-effective solutions, and mobilizing funding for large-scale cleanup projects. By tackling contaminated sites, Parties can prevent further mercury exposure, restore degraded environments, and contribute to the broader goal of eliminating mercury pollution worldwide.

 

Meet the expert

 

Should you need further information, please do not hesitate to contact Eisaku Toda, Senior Programme Management Officer of the Secretariat of the Minamata Convention on Mercury, at eisaku.toda [at] un.org.