ISO 14001:2026 vs 2015 – What’s Actually Changed (and What You Need to Do About It)
- Scott Naisbett
- Apr 23
- 3 min read
The draft update to ISO 14001:2026 has started to circulate, and as expected, there’s already a lot of noise around “major changes”.
In reality, this is not a rewrite of the standard. The structure remains the same, and most requirements are unchanged.
However, there are a handful of important updates that organisations need to understand and address properly. This blog breaks down what has actually changed, and what it means in practice.
Clause 4 – Context of the organisation
This is where the most significant change sits.
The 2015 version already required organisations to consider internal and external issues, including environmental conditions. However, this was often treated lightly or generically.
The 2026 update makes two things much clearer.
First, organisations are now explicitly required to determine whether climate change is a relevant issue.
Second, there is stronger emphasis on environmental conditions not just being affected by the organisation, but also affecting the organisation.
In practical terms, this means your context assessment needs to show that you have actively considered:
climate-related risks and pressures
availability of resources
wider environmental conditions that could impact operations
For clients we have supported more recently, this should not come as a surprise. Climate change considerations have already been built into the COTO register and wider context review since the amendment introduced in January 2024.
As a result, any organisation that has implemented their system with us in the past 24 months will already be meeting this requirement.
Clause 5 – Leadership
There are no structural changes here.
The requirements for leadership, policy, and accountability remain the same. The only real shift is slightly clearer wording around environmental protection, with broader references to areas such as biodiversity and climate.
Most organisations will not need to change anything here unless their policy is very basic.
Clause 6 – Planning
This clause has seen the most structural tightening.
The core concepts remain the same, but the standard now separates and clarifies how planning is expected to work.
A new sub-clause has been introduced for planning actions, making it clearer that organisations must define both what they are addressing and how those actions are implemented and evaluated.
There is also a new requirement under Clause 6.3 for planning changes. Previously, change management was implied across the system. It is now an explicit requirement.
In practice, this will not be new for many organisations. Where systems have been implemented alongside ISO 9001, planning for change is already embedded as part of the integrated management system.
For those clients, this requirement is already being met through existing change control and planning processes.
More broadly, risks and opportunities now more clearly include the impact of environmental conditions on the organisation, not just the organisation’s impact on the environment.
Your planning process should clearly link:
environmental aspects
compliance obligations
risks and opportunities
actions and objective
Clause 7 – Support
No meaningful changes.
The requirements for resources, competence, awareness, communication and documented information remain the same. Any existing compliant system will already meet this.
Clause 8 – Operation
Minor wording changes only.
There is slightly clearer language around external providers and lifecycle thinking, but no new requirements. Existing operational controls and supplier controls should remain valid.
Clause 9 – Performance evaluation
No major changes.
There are small wording adjustments to improve clarity, but the structure and intent are unchanged.
Internal audits, compliance evaluations, and management reviews all remain as they were.
Clause 10 – Improvement
This clause has only been tidied structurally.
Continual improvement is now presented first, rather than last, but the requirements themselves are unchanged.
What actually matters
If you strip away the detail, there are four real changes that organisations need to focus on.
Climate change must now be actively considered as part of your context.
Environmental conditions must be assessed in both directions, including how they affect your organisation.
Planning is expected to be more structured and clearly defined.
Change management is now an explicit requirement within the system.
Everything else is largely clarification.
What you should do next
For most organisations, this is not a major overhaul.
You should review and update your context assessment to include climate and environmental conditions properly.
Ensure your planning process clearly links risks, obligations, aspects and actions.
Introduce a simple, controlled approach to managing changes within the system if one is not already in place.
Sense-check your environmental policy to ensure it reflects the broader environmental commitments now referenced in the standard.
Final thoughts
ISO 14001:2026 does not change the fundamentals of environmental management.
It simply tightens expectations and removes some of the ambiguity that existed in the 2015 version.
If your system is already practical, well-structured, and genuinely used by the business, you are likely already most of the way there.
If your system is paper-heavy and disconnected from how the business operates, this update will expose that.
Comments