ISO 20121:2012
Event sustainability management systems — Requirements with guidance for use
Reference number
ISO 20121:2012
Edition 1
ISO 20121:2012
Withdrawn (Edition 1, 2012)

What is ISO 20121?

ISO 20121 is a beacon for sustainable event management, guiding organizations to seamlessly integrate sustainability into every facet of their event planning and execution. With a keen eye on social, economic, and environmental impacts, this standard is pivotal for events that aspire to leave a lasting positive legacy. This standard applies to events of all types and sizes, encouraging organizations to manage social, economic, and environmental impacts responsibly.

Why is ISO 20121 important?

In today's event management, the push for sustainability is paramount. ISO 20121 emerges as a pivotal resource, guiding organizations toward practices that are more ethical, eco-friendly, and socially conscious. Highlighting new focuses on human and children's rights, along with event legacies, the standard showcases sustainability's transformative role in the industry. It offers various conformity demonstration methods, including self-declaration, supplier validation, and third-party certification, making sustainable practices attainable for all organizations, especially SMEs facing certification costs.



  • Reduces environmental impact of events
  • Fosters a holistic approach to sustainability, considering economic, environmental, and social impacts
  • Improves stakeholder engagement and satisfaction
  • Strengthens organizational reputation and brand value
  • Offers versatile pathways for conformity assessment, catering to organizations of all sizes

Any organization involved in event planning, management, or delivery, seeking to integrate sustainability into their operations.

The 2024 update enriches the standard with a stronger emphasis on social legacies, inclusivity, and the diverse means of demonstrating compliance, fostering a more comprehensive and accessible approach to sustainable event management.

Yes, it's versatile and applicable to various events, from small gatherings to large-scale conferences and everything in between.


Beyond a checklist, it's a transformative framework that empowers organizations to lead with sustainability at the heart of event management, inviting a creative yet systematic approach to making a positive, enduring impact.

General information

  •  : Withdrawn
     : 2012-06
    : Withdrawal of International Standard [95.99]
  •  : 1
     : 42
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Climate action

This standard contributes to

  • Achieve climate neutrality: GHG emissions / mitigation; Carbon footprint; 
  • Integrate climate action in governance and management: GHG emission reduction and carbon removals projects; 

Life cycle

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