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Minamata Convention on Mercury (MCM)

Minamata Convention on Mercury (MCM): Minamata Convention on Mercury (MCM)

Maílis Carrilho
Written by Maílis Carrilho
Updated on November 17th, 2025

Summary

The Minamata Convention on Mercury is a global treaty requiring countries to eliminate mercury mining, phase out mercury-added products, reduce emissions, and manage contaminated sites. This article explains obligations, current status, penalties, and known compliance issues.

Details

Jurisdictions
  • Global
Exemptions

The Minamata Convention is a binding global environmental treaty for all countries that ratify it under the United Nations system.

Criteria:

Applies to all Parties that produce, use, trade or manage mercury, including manufacturers of mercury-added products, industrial operators with mercury emissions, ASGM sectors, waste managers and national authorities responsible for monitoring and reporting.

Also applies to governments implementing product phase-outs, emissions controls, ASGM action plans and contaminated-site management.

Exemptions and Flexibility:

Not every country must follow identical timelines, as Parties may register time-limited exemptions for certain mercury-added products or processes (so obligations vary by Party depending on registered exceptions).

Developing economies may apply phased implementation, particularly for ASGM and emissions monitoring. Parties have flexibility in designing national legislation and control systems provided they meet Treaty objectives and reporting requirements.

Deep dive

2 min read
Updated Nov 17, 2025

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What’s Required

Parties must:

  • Adopt national legislation controlling mercury use, trade, and emissions

  • Implement product phase-outs (e.g., lamps, thermometers, batteries)

  • Monitor and report atmospheric emissions and releases

  • Develop ASGM National Action Plans

  • Ensure environmentally sound storage and disposal

  • Identify and manage contaminated sites

  • Submit implementation reports to the Convention Secretariat

Important Deadlines

  • 2017: Convention entered into force

  • 2020: Global phase-out of major mercury-added products

  • Ongoing: Reporting cycles and updates to National Action Plans

  • Process- and emissions-related deadlines vary by sector and country capacity

Current Status

The Convention is in force, with over 140 Parties.
Implementation is advancing, but unevenly, particularly in ASGM-heavy countries and regions with limited monitoring capacity.
Amendments on further phase-outs continue to be discussed.

Penalties for Non-Compliance

The Convention does not impose direct penalties on Parties.
Instead:

  • Non-compliance is reviewed by the Implementation and Compliance Committee

  • Parties may be asked to submit action plans or reports

  • Support measures (capacity building, technical assistance) may be recommended

Penalties, fines, or sanctions occur only at the national level, depending on domestic law.

Examples of Known Violations

There are no formal punitive cases under the Convention because compliance is cooperative.
However:

  • Some Parties have reported difficulties meeting phase-out deadlines

  • Illegal mercury trade for ASGM remains widespread

  • Gaps in emissions reporting are common

As of 2025, no publicly documented penalties have been imposed under the Convention itself.



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Minamata Convention: global mercury-control framework

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Overview of the Minamata Convention on Mercury: obligations, product bans, emissions controls, ASGM rules and global implementation status.


Resources (links only)


Maílis Carrilho
Added by:
Maílis Carrilho
Sustainability Research Analyst
Maílis Carrilho is a Sustainability Research Analyst (Intern) at Net Zero Compare, contributing research and analysis on climate tech, carbon policies, and sustainable solutions. She supports the team in developing fact-based content and insights to help companies and readers navigate the evolving sustainability landscape.
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Added on Nov 19, 2025 by Maílis Carrilho · Updated on Nov 17, 2025