ISO 14001:2026 revision – current status

What has been changed compared to ISO 14001:2015

Tobias Lurk

Global Product Line Manager, Compatible Standards, TÜV SÜD

Tobias Lurk joined TÜV SÜD in 2010 and has extensive experience in international management system standards. Since 2019, he has been responsible for key standards including ISO 9001, ISO 14001, ISO 45001, ISO 50001 and ISO 55001. In his role, he supports service portfolio development, accreditation requirements and certification process improvement, bringing both strategic and practical insights to organisations preparing for change.

ISO 14001 revision: moderate, but effective

It has been ten years since the current version of ISO 14001 was published. A great deal has happened during this time. For this reason, the International Organization for Standardization has revised the leading standard for environmental management systems in order to align it with new conditions, regulatory requirements and business needs.

The original intention was a major revision. What has actually emerged is outlined below.

Key facts at a glance

The current version is ISO 14001:2026, published on 15 April 2026.
ISO 14001:2026 has been in force since 15 April 2026 and thus replaces ISO 14001:2015.
The “Climate Action Changes” are now part of the standard
Certified organisations should review the changes promptly

What changes in ISO 14001

Topics such as the United Nations Sustainable Development Goals (SDGs) and the EU Green Deal were included into the revised ISO 14001. Instead of introducing entirely new requirements or major changes, the standard setters have focused on structural adjustments, clarifications and more precise wording.

Overview of the most important updates

New structure

The revised standard follows the Harmonised Structure (HS). This represents a key change in ISO 14001:2026. A uniform structure, consistent terminology and easier integration with other management systems are now ensured.

This structure was introduced within the ISO framework with ISO/IEC 27001. The revised ISO 9001 will also be based on the Harmonised Structure.

Climate change integrated directly into the standard

Amendment 1, “Climate Action Changes”, has now been fully integrated into the standard. Climate risk assessment becomes a central element of the environmental management system.

Organisations must:
- assess whether climate change is a relevant issue for them (Clause 4.1)
- take into account climate-related requirements of interested parties (Clause 4.2)

Environmental aspects

Environmental aspects (Clause 6.1.2) must explicitly consider upstream and downstream environmental impacts. This places the entire product life cycle at the centre of attention.
When determining environmental aspects, organisations must also take potential emergency situations into account.

Environmental conditions to be included in the context analysis include:
- climate change
- biodiversity
- access to resources
- life-cycle and supply-chain considerations

Biodiversity and resources play a more prominent role in the revised standard, in line with the EU circular economy strategy. The availability of natural resources and biological diversity therefore become new areas of consideration within ISO 14001.

Change management

The new Clause 6.3, “Planning of changes”, introduces systematic change management, already familiar from standards such as ISO 9001 and ISO 45001.
If organisational changes affect the management system, they must be implemented in a planned manner. Changes must be managed and controlled to ensure that intended outcomes are achieved.

Expanded informative Annex A

The informative Annex A has been significantly expanded. It includes clarifications, examples and practical guidance to support understanding and application of the standard.

ISO 14001 timeline and transition periods

ISO 14001:2015 has been replaced by ISO 14001:2026. ISO 14001:2026 was published on April 15, 2026.

The publication marks the beginning of a transitional period of 36 months. ISO 14001:2015 certificates remain valid until April 14, 2029 at the latest (depending on the date of issue and the rules of the certification body).

Frequently asked questions about the ISO 14001 revision

What is the current version of ISO 14001?

The current version is  ISO 14001:2026, published on April 15, 2026. It replaces the previous ISO 14001:2015.

When will the new ISO 14001 be published?

ISO 14001:2026 was published on April 15, 2026.

What impact does the revision have on ISO 14001:2015 certification?

Certificates issued in accordance with ISO 14001:2015 remain valid. Following a revision, transition periods are typically defined, and this will also apply here.

From the publication date of ISO 14001:2026 revision, organisations are expected to have three years to transition. As a result, no organisation will lose its certification immediately due to the revision.

Do organisations need to transition immediately once ISO 14001:2026 is published?

No. Organisations are not required to transition immediately to ISO 14001:2026. With publication, a transition period begins.

The publication on 15 April 2026 marks the beginning of a transitional period of 36 months, during which both versions of the standard will be valid.

Transition usually takes place during a recertification audit, but it may also be completed as part of a surveillance audit.

From gap analysis to implementation: preparing for ISO 14001:2026

As the revised environmental management standard was published on 15 April, 2026, organisations have three years to complete the transition.
Responsible personnel should familiarise themselves with the ISO 14001:2026 changes and the new requirements. Organisations must:

implement them within the management system
communicate them across the organisation
ensure the management system remains certifiable

A gap analysis helps identify differences between an existing ISO 14001:2015 system and the requirements of ISO 14001:2026. With forward-looking planning, organisations can prepare effectively for the transition.

Not yet ISO 14001 certified?

Learn more about the ISO 14001 certification process with TÜV SÜD and request certification directly.

Can ISO 14001 be integrated with other management systems?

Environmental management systems are widely used across organisations. ISO 14001 can be effectively combined with other major ISO management system standards and operated as part of an integrated management system, for example with:

Quality management systems according to ISO 9001
Occupational health and safety management systems according to ISO 45001
Energy management systems according to ISO 50001
Information security management systems according to ISO/IEC 27001
Asset management systems according to ISO 55001

Further information on the benefits of integrated management systems is available on the linked page.

Checklist for preparing for the ISO 14001 revision

Analyse the revised standard and identify new requirements
Carry out a gap analysis
Assess and integrate climate risks
Consider requirements of interested parties, for example regarding climate change, biodiversity and resource availability
Include environmental aspects and impacts across life cycles and supply chains
Establish a structured change management process

Key takeaways from the ISO 14001 revision

The revised environmental management system standard ISO 14001:2026 was published on 15 April 2026. A transition period of 36 months applies to the changeover.

ISO 14001:2026 will follow the Harmonised Structure (HS) to support easier integration with other management system standards. The revision introduces several minor changes, primarily in the form of clarifications and more precise requirements. As a result, the transition to ISO 14001:2026 should not present major challenges for organisations.