What Are the Best Sustainability Certifications for Green Event Management?
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Last Updated: September 9, 2026
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Reviewed by Event Study Team
- Event Industry Insights
ISO 20121 is the leading event-specific sustainability standard, providing a framework for managing the environmental, social, and economic impacts of events. Certifications and programmes such as SEPC (Sustainable Event Professional Certificate) and A Greener Future can also support professional sustainability knowledge and help improve environmental performance at the event level.
Which Sustainability Certifications Are Best for Green Event Management?
ISO 20121 is the leading event-specific sustainability standard, while professional credentials such as SEPC and sustainability programmes such as A Greener Future can help develop practical knowledge and improve environmental performance. The best option depends on whether you need an event management standard, a professional credential, or a certification for a venue or supplier.
ISO 20121
ISO 20121 is an international standard specifically designed for sustainable event management systems. It helps organisations identify, manage, and improve the environmental, social, and economic impacts associated with events.
Sustainable Event Professional Certificate (SEPC)
SEPC is a professional credential focused on developing knowledge and skills in sustainable event management. It can be useful for event professionals who want to strengthen their understanding of sustainable planning practices.
A Greener Future
A Greener Future supports sustainability in the events industry through tools, guidance, assessments, and certification programmes designed to help events and organisations measure and improve environmental performance.
What Is the Difference Between Event Standards and Professional Credentials?
An event management standard such as ISO 20121 provides a framework for how an organisation manages sustainability across its event activities. A professional credential such as SEPC focuses more on the individual’s knowledge and professional development.
What About Venue and Supplier Certifications?
Venue and supplier certifications assess the sustainability practices of specific businesses or facilities. These can help event planners identify suppliers with established environmental management practices, but they do not necessarily certify the event itself.
Which Option Should Green Event Professionals Choose?
The right choice depends on the objective. ISO 20121 is appropriate when an organisation wants a structured event sustainability management standard, while SEPC can support individual professional development. A Greener Future and relevant venue or supplier certifications can complement these approaches by helping measure and improve environmental performance.
Is ISO 20121 the Best Certification for Sustainable Events?
ISO 20121 is one of the most relevant international standards for sustainable event management because it provides a structured approach to managing environmental, social, and economic impacts throughout the event lifecycle. It can help organisations integrate sustainability into planning, operations, decision-making, and continuous improvement.
How Does ISO 20121 Support Event Planning?
ISO 20121 encourages sustainability to be considered during event planning, rather than treated as an afterthought. Organisers can identify sustainability objectives and consider potential impacts before the event takes place.
Does It Cover Sustainable Event Operations?
Yes. The standard provides a framework for integrating sustainability into event operations, including how resources, suppliers, processes, and operational activities are managed.
How Does It Address Resource Management?
Resource management is an important part of sustainable event planning. Organisations can consider the efficient use of materials, energy, water, transport, and other resources throughout an event.
Does ISO 20121 Include Stakeholder Involvement?
Yes. Stakeholder involvement is an important element of the approach. Event organisers can consider the needs and expectations of clients, attendees, suppliers, employees, communities, and other relevant stakeholders.
Does It Support Continuous Improvement?
Yes. Continuous improvement is central to a management-system approach. Organisations can monitor performance, identify areas for improvement, review outcomes, and strengthen sustainability practices over time.
Does It Address Environmental and Social Impacts?
Yes. ISO 20121 considers the environmental, social, and economic impacts associated with events. This broader approach means sustainability can include areas such as resource use and environmental effects alongside accessibility, community considerations, working practices, and stakeholder needs.
What Is the Sustainable Event Professional Certificate (SEPC)?
The Sustainable Event Professional Certificate (SEPC) is a professional education credential designed to help event professionals develop knowledge of sustainable event practices. It can support learners who want to understand how sustainability can be incorporated into event planning, operations, supplier management, and wider event decision-making.
What Can Learners Gain From SEPC?
Learners can develop an understanding of sustainable event planning, including how to identify environmental and social impacts, reduce waste, manage resources responsibly, and make more sustainable event decisions.
Does SEPC Cover Sustainable Event Practices?
Yes. The credential focuses on applying sustainability principles to event management. This can help professionals consider areas such as resource use, waste reduction, responsible sourcing, transportation, energy, and stakeholder needs.
Can SEPC Support a Career in Green Event Management?
Yes. SEPC can support professional development in sustainable event management by helping learners build relevant knowledge and demonstrate an interest in environmentally responsible event practices. It can complement practical event management experience and other sustainability training.
Who Can Benefit From SEPC?
The credential can be useful for event planners, coordinators, managers, venue professionals, suppliers, and other event industry professionals who want to strengthen their sustainability knowledge and incorporate greener practices into their work.
What Is A Greener Future Certification?
A Greener Future certification assesses events against sustainability criteria to help organisers measure and demonstrate their environmental performance. It can evaluate practical areas such as carbon emissions, energy, waste, water, transport, food, and wider event operations.
Does It Assess Carbon Emissions?
Yes. Carbon emissions can be assessed to help event organisers understand the environmental impact associated with areas such as energy use, travel, transport, and event operations.
Does It Cover Energy Management?
Energy use is an important sustainability area. Organisers can assess how energy is consumed during an event and identify opportunities to improve efficiency and reduce environmental impact.
Is Waste Included in the Assessment?
Yes. Waste management can include how waste is reduced, separated, reused, recycled, and disposed of. This helps organisers identify practical ways to improve resource efficiency.
Does It Consider Water Use?
Yes. Water management can form part of sustainability assessment, particularly for events where water consumption, facilities, catering, cleaning, or venue operations have a significant impact.
Is Transport Considered?
Transport and travel can contribute significantly to an event’s environmental footprint. Assessing transport can help organisers consider attendee travel, supplier logistics, public transport, and other mobility factors.
Does the Assessment Include Food?
Yes. Food and catering practices can be considered as part of sustainable event management, including sourcing, food waste, menus, and resource use.
What About Overall Event Operations?
The assessment can consider wider event operations, allowing organisers to review how sustainability is incorporated into practical planning and delivery rather than focusing on a single environmental issue.
How Does Independent Assessment Demonstrate Sustainability Performance?
Independent assessment can provide stakeholders with greater confidence in an event’s sustainability performance. A recognised external assessment can help organisers demonstrate their progress to clients, attendees, suppliers, sponsors, and other stakeholders rather than relying only on internal claims.
What Are ASTM/APEX Green Meeting Standards?
ASTM/APEX Green Meeting Standards are sustainability standards designed to help meetings, conferences, exhibitions, and other MICE events incorporate environmentally responsible practices into their planning and operations. They provide guidance across practical areas such as venues, catering, transportation, accommodation, waste, and event materials.
How Do the Standards Support Venue Selection?
They encourage organisers to consider venue sustainability when selecting locations. Factors can include energy efficiency, waste management, water use, accessibility, and the venue’s existing environmental practices.
Do They Cover Food and Beverage?
Yes. Food and beverage practices can include responsible sourcing, reducing food waste, efficient resource use, and selecting catering options that support sustainability objectives.
Is Transportation Included?
Transportation is an important consideration for sustainable meetings and events. Organisers can consider public transport, shared transportation, travel distances, and other ways to reduce the environmental impact of attendee and supplier travel.
Do They Address Accommodation?
Yes. For events involving overnight stays, accommodation can be considered as part of the sustainability strategy. Organisers can look at hotels and accommodation providers with appropriate environmental practices.
How Do They Address Waste?
Waste reduction and management are key operational areas. Organisers can reduce unnecessary materials, improve recycling and reuse, and plan waste handling throughout the event.
Are Event Materials Covered?
Yes. Event materials can be reviewed to reduce unnecessary consumption and environmental impact. This can include signage, printed materials, badges, promotional items, and other resources used during meetings and exhibitions.
Which Events Can Use These Standards?
The standards are particularly relevant to meetings, conferences, exhibitions, conventions, and other MICE events where organisers need a structured approach to addressing sustainability across multiple operational areas.
Which Certifications Are Useful for Sustainable Event Venues?
Event planners should also evaluate the sustainability credentials of venues and suppliers because the environmental performance of the wider supply chain can affect an event’s sustainability goals. Certifications such as ISO 14001, LEED, and B Corp can provide useful information about an organisation’s environmental, building, social, or business practices.
ISO 14001
ISO 14001 focuses on environmental management systems and helps organisations establish a structured approach to managing and improving their environmental impacts. A venue or supplier with ISO 14001 certification can demonstrate that it has an established system for managing environmental responsibilities.
LEED
LEED is a green building certification that evaluates sustainable building practices and performance. For event planners, a LEED-certified venue can indicate that the building has addressed areas such as energy efficiency, water efficiency, materials, indoor environmental quality, and sustainable building practices.
B Corp
B Corp certification evaluates a company’s broader social and environmental performance, rather than focusing only on the sustainability of a specific event or building. Event planners may consider B Corp-certified suppliers, agencies, and service providers when developing a more responsible event supply chain.
How Should Planners Use These Certifications?
These certifications can be used as one factor when evaluating venues and suppliers. Planners should also consider the organisation’s actual sustainability policies, current practices, reporting, and suitability for the specific event rather than relying on a certification alone.
How Do Green Event Certifications Compare?
Green event certifications and standards serve different purposes. ISO 20121 focuses on sustainable event management, SEPC supports professional education, A Greener Future assesses event sustainability, while ASTM/APEX provides guidance for green meetings. ISO 14001, LEED, and B Corp are more relevant to environmental management, buildings, or broader business performance.
| Certification | Main Focus | Best For |
|---|---|---|
| ISO 20121 | Sustainable event management | Event organisations |
| SEPC | Professional sustainability education | Event professionals |
| A Greener Future | Event sustainability assessment | Live events and festivals |
| ASTM/APEX | Green meeting operations | Conferences and MICE |
| ISO 14001 | Environmental management | Venues and suppliers |
| LEED | Sustainable buildings | Event venues |
| B Corp | Business social and environmental performance | Suppliers and agencies |
Which Certification Is Best for Event Organisations?
ISO 20121 is particularly relevant for organisations that want a structured sustainability management system specifically for events.
Which Credential Is Best for Individual Event Professionals?
SEPC is designed around professional sustainability education, making it relevant to event professionals who want to strengthen their knowledge of sustainable event practices.
Which Options Are Best for Specific Events and Venues?
A Greener Future can help assess the sustainability performance of events, while LEED can provide information about the sustainability of buildings and venues. ISO 14001 can indicate that a venue or supplier uses a structured environmental management system.
Which Standards Are Relevant to Conferences and MICE?
ASTM/APEX is particularly relevant to meetings, conferences, exhibitions, conventions, and other MICE events because it focuses on sustainable meeting and event operations.
Which Certification Can Support a Responsible Supply Chain?
B Corp and ISO 14001 can provide useful information when evaluating suppliers and agencies. B Corp considers broader social and environmental business performance, while ISO 14001 focuses specifically on environmental management systems.
Which Certification Should an Event Planner Choose?
The best certification depends on the event planner’s specific goal. ISO 20121 is most relevant for managing sustainable events, while SEPC supports professional knowledge. A Greener Future focuses on event-level environmental performance, and ASTM/APEX is particularly useful for sustainable meetings and conferences.
Which Certification Is Best for Managing Sustainable Events?
ISO 20121 is a strong choice for event organisations and professionals involved in managing sustainability across the event lifecycle. It provides a structured framework for addressing environmental, social, and economic impacts.
Which Certification Is Best for Developing Professional Knowledge?
SEPC can be useful for event professionals who want to develop their knowledge of sustainable event practices and strengthen their professional understanding of green event management.
Which Certification Is Best for Measuring an Event’s Environmental Performance?
A Greener Future is relevant when the goal is to assess and demonstrate an event’s environmental performance across areas such as carbon, energy, waste, water, transport, and food.
Which Standard Is Best for Planning Conferences and Meetings?
ASTM/APEX is particularly relevant to professionals organising conferences, meetings, exhibitions, and other MICE events. It provides guidance across practical operational areas such as venues, catering, transportation, accommodation, waste, and materials.
Which Certification Is Useful When Selecting Sustainable Venues?
LEED can help planners identify buildings with recognised sustainable design and performance features. It can be useful when evaluating venues based on areas such as energy, water, materials, and indoor environmental quality.
Which Certifications Are Useful for Evaluating Suppliers?
ISO 14001 or B Corp can provide useful sustainability information when evaluating suppliers. ISO 14001 focuses on environmental management systems, while B Corp considers broader social and environmental business performance.
Do Green Event Certifications Help With Career Development?
Yes, green event certifications can support career development by strengthening an event professional’s sustainability knowledge and demonstrating a commitment to responsible event management. As organisations pay greater attention to environmental impact, waste reduction, responsible sourcing, and ESG considerations, sustainability skills can become increasingly valuable in event roles.
How Do Sustainability Credentials Strengthen Professional Knowledge?
Green event certifications can help professionals understand how to identify environmental and social impacts, manage resources, reduce waste, and incorporate sustainability into event planning and operations. This knowledge can complement existing event management skills.
Can Certifications Demonstrate Commitment to Sustainability?
Yes. A relevant sustainability credential can demonstrate that an event professional has invested in developing their knowledge of responsible event practices. It can be particularly useful when sustainability is part of an employer’s event strategy.
Why Are Waste Reduction Skills Becoming Important?
Events can generate significant amounts of food waste, packaging, printed materials, single-use items, and other waste. Professionals who understand waste prevention, reuse, recycling, and responsible disposal can contribute to more sustainable event operations.
Does Responsible Sourcing Matter for Event Careers?
Yes. Responsible sourcing involves considering the environmental and social practices of suppliers, venues, caterers, and other partners. Sustainability knowledge can help event professionals make more informed supplier decisions.
How Does ESG Relate to Event Management?
ESG (environmental, social, and governance) considerations can influence how organisations approach events, particularly when events involve clients, employees, investors, communities, and corporate reputation. Event professionals who understand relevant ESG considerations can better align event planning with wider organisational objectives.
Can Sustainability Skills Support Career Progression?
Yes. Sustainability skills can complement planning, budgeting, logistics, supplier management, and leadership abilities, helping professionals take on responsibilities related to sustainable event strategy and responsible event delivery. Certifications are not a guarantee of career progression, but they can strengthen a professional’s overall knowledge and profile.
How Can Event Planners Apply Sustainability Certification Principles?
Event planners can apply sustainability certification principles by turning sustainability goals into practical decisions across the entire event lifecycle. This can include selecting greener venues, reducing waste and energy use, choosing responsible suppliers, measuring carbon emissions, and reviewing sustainability performance after the event.
How Can Planners Select Sustainable Venues?
Planners can evaluate sustainable venue practices such as energy efficiency, water management, waste systems, accessibility, public transport connections, and existing environmental certifications when comparing potential venues.
How Can Events Reduce Waste?
Waste reduction can begin during planning by accurately estimating requirements, avoiding unnecessary materials, providing recycling facilities, reusing décor and equipment, and working with suppliers that have effective waste-management practices.
Can Events Improve Energy Efficiency?
Yes. Planners can consider energy-efficient lighting and equipment, minimise unnecessary energy consumption, and work with venues that use efficient systems or renewable energy where available.
How Can Catering Become More Sustainable?
Sustainable catering can include reducing food waste, sourcing ingredients responsibly, offering suitable plant-based options, and choosing caterers with clear environmental policies.
What Does Responsible Sourcing Involve?
Responsible sourcing means considering the environmental and social practices of suppliers before making purchasing decisions. Planners can evaluate factors such as materials, production methods, packaging, transport, and supplier sustainability policies.
How Can Planners Reduce Single-Use Plastics?
Planners can reduce single-use plastics by using reusable service items, refillable water stations, recyclable or reusable materials, and alternatives to unnecessary disposable products.
How Can Sustainable Transportation Be Encouraged?
Planners can encourage public transport, shared transportation, walking, cycling, and lower-emission travel options where practical. Choosing accessible venues can also reduce unnecessary travel impacts.
Why Is Carbon Measurement Important?
Carbon measurement helps planners understand the environmental impact of an event and identify areas where emissions can be reduced. Relevant sources can include energy use, attendee travel, accommodation, catering, and supplier logistics.
How Should Suppliers Be Evaluated?
Planners can include sustainability criteria in supplier selection, asking about environmental policies, waste management, materials, energy use, transportation, and relevant certifications or evidence of sustainable practices.
Should Sustainability Be Reported After the Event?
Yes. Post-event sustainability reporting allows planners to review what was achieved, document relevant measurements, identify challenges, and establish improvements for future events. This also helps communicate sustainability performance to clients and other stakeholders.
How Can Event Planners Choose the Right Sustainability Certification?
Event planners should choose a sustainability certification based on their role, event type, purpose, and the expectations of their employer or clients. They should also consider whether they need individual professional education or organisational certification, as well as venue requirements, supplier expectations, cost, and time commitment.
1. What Is Your Role?
Start by considering whether you are an individual event professional, event planner, venue operator, supplier, or event organisation. Professional credentials may be more relevant to individuals, while management standards may be more suitable for organisations.
2. What Type of Events Do You Manage?
Consider your main event type. Conferences and MICE events may benefit from ASTM/APEX guidance, while broader sustainable event programmes may make ISO 20121 more relevant.
3. What Is the Purpose of the Certification?
Decide what you want to achieve. You may want to develop sustainability knowledge, manage a sustainable event system, measure environmental performance, or demonstrate responsible business practices.
4. Do You Need Professional Education or Organisational Certification?
This distinction is important. Professional education such as SEPC focuses on developing individual knowledge, while standards such as ISO 20121 are designed around organisational approaches to sustainable event management.
5. What Do Employers or Clients Expect?
Check whether your employer, clients, or target market recognise or require a particular certification or sustainability framework. Their expectations can help determine which credential or standard will provide the most practical value.
6. Do Venues and Suppliers Have Specific Requirements?
Consider the sustainability requirements of your venues, suppliers, clients, and event partners. Certifications such as LEED or ISO 14001 may provide useful information when evaluating venues and suppliers.
7. What Are the Cost and Time Commitments?
Finally, consider the cost, study time, assessment requirements, renewal obligations, and implementation effort involved. The most appropriate certification is one that fits your professional goals and resources while providing meaningful value for your event work.
What Are the Benefits of Sustainable Event Certifications?
Sustainable event certifications can help event professionals and organisations demonstrate their commitment to responsible event management while improving planning, resource use, and environmental performance. They can also strengthen credibility, build stakeholder trust, and help meet growing client expectations around sustainability.
How Do Certifications Demonstrate Sustainability Commitment?
A recognised sustainability certification or credential can provide evidence that an organisation or professional has adopted structured sustainability practices or developed relevant knowledge.
Can Certifications Improve Event Planning Processes?
Yes. Sustainability frameworks can encourage planners to consider environmental and social impacts during planning, helping integrate sustainability into venue selection, sourcing, logistics, catering, waste management, and event operations.
Can They Help Reduce Event Waste?
Yes. Applying sustainability principles can help planners reduce unnecessary materials, food waste, packaging, and single-use products while encouraging reuse, recycling, and more efficient resource planning.
How Can Certifications Improve Resource Management?
Sustainable event practices can support more efficient use of energy, water, materials, food, transport, and other resources. This can help planners identify opportunities to reduce environmental impacts and improve operational efficiency.
Can Certifications Build Stakeholder Trust?
Yes. Demonstrating recognised sustainability practices can help build trust with clients, attendees, suppliers, sponsors, employees, and other stakeholders who want greater transparency around environmental performance.
Do Certifications Support Responsible Suppliers?
Yes. Sustainability criteria can help planners make more informed decisions when selecting venues, caterers, suppliers, and agencies. Certifications and environmental management standards can provide useful evidence when comparing potential partners.
Can Sustainability Credentials Strengthen Professional Credibility?
Yes. Relevant sustainability credentials can strengthen an event professional’s credibility by demonstrating knowledge and commitment to responsible event management. They can complement practical event planning and management experience.
Can They Help Meet Client Sustainability Expectations?
Yes. Clients increasingly may expect events to address waste, carbon emissions, responsible sourcing, energy use, transport, and wider environmental and social impacts. Sustainability certifications and frameworks can help planners respond to these expectations in a more structured way.
Frequently Asked Questions
What Is the Best Certification for Green Event Management?
ISO 20121 is one of the most relevant standards for organisations managing sustainable events. However, the best option depends on the goal. SEPC focuses on professional sustainability education, while A Greener Future supports event-level sustainability assessment and ASTM/APEX focuses on green meeting operations.
Is ISO 20121 Worth It for Event Planners?
ISO 20121 can be valuable for planners working with organisations that want a structured approach to sustainable event management. However, it is important to distinguish organisational certification from individual professional training. ISO 20121 is primarily a management-system standard for organisations, rather than an individual qualification for event planners.
What Certification Is Best for Sustainable Event Professionals?
SEPC can be useful for event professionals who want to develop their individual knowledge of sustainable event practices. ISO 20121 serves a different purpose by providing an organisational framework for managing sustainability across events.
Is There a Certification for Sustainable Events?
Yes. ISO 20121 provides an event-specific sustainability management standard, while programmes such as A Greener Future can assess the environmental performance of events. The appropriate option depends on whether the goal is to manage sustainability systematically or assess an individual event’s performance.
What Certifications Should Sustainable Event Venues Have?
ISO 14001 and LEED can be useful sustainability credentials when evaluating event venues, but they assess different areas. ISO 14001 focuses on environmental management systems, while LEED focuses on sustainable building design and performance. The most relevant credential depends on what aspect of sustainability needs to be assessed.
How Can I Become a Certified Sustainable Event Planner?
You can develop sustainable event expertise by completing professional sustainability education, gaining an individual credential where appropriate, and building practical event management experience. You can also work for an organisation that follows or obtains an event sustainability standard such as ISO 20121. The route depends on whether your goal is individual professional development or involvement in an organisation-wide sustainability system.
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