ISO 14001 is the international standard for environmental management systems (EMS), from the International Organization for Standardization. It specifies requirements for establishing, running and continually improving an EMS: identifying environmental aspects and impacts, understanding legal obligations, setting objectives, assigning leadership accountability, training staff, documenting processes and monitoring progress, all on the Plan-Do-Check-Act cycle. The widely deployed edition is ISO 14001:2015, updated by Amendment 1:2024 to embed climate action; ISO published a revised ISO 14001:2026 in April 2026, and organisations should confirm with their certification body which edition their certificate references and what transition timelines apply. Certification is by accredited third-party bodies. The standard sets no performance targets — certification verifies that a management system exists and operates, not that environmental outcomes have been achieved. It integrates with other ISO management-system standards (quality, energy, OH&S) through the common Annex SL structure, so organisations frequently certify several systems together. There is no ISO-run register of certificates: ISO sets the standard, accreditation bodies accredit the certifiers, and IAF CertSearch serves as the de facto route for checking a certificate's validity. The certification does not automatically apply to every product, service or claim made by the certified organisation.
Conditional relationships
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A relationship does not mean that the standard proves or validates every use of a claim.