ISO published ISO 14001:2026 on 15 April, replacing the 2015 edition of the world’s most widely used environmental management system standard. Over 670,000 organisations worldwide are certified to it. A three-year transition window is now open, meaning all certificates issued to the 2015 edition must be transitioned before May 2029.
The revision is an evolution, not a rewrite. It consolidates the 2024 climate change amendment into the main text and introduces a new Clause 6.3 requiring organisations to explicitly plan and manage changes to their environmental management system. The scope of operational controls has been broadened from outsourced processes to all externally provided processes, products, and services, which in practice means greater accountability for what happens in your supply chain. Context analysis now requires consideration of biodiversity, ecosystem health, pollution levels, and natural resource availability alongside climate change. Annex A has been substantially expanded to improve guidance throughout.
For anyone running an integrated management system alongside ISO 9001 or ISO 45001, the continued alignment across the harmonised structure is the most practically useful part of this revision. ISO 9001:2026 is expected to follow in the autumn.
SOURCE: ISO, no individual author listed, 15 April 2026. https://www.iso.org/news/2026/04/iso-14001-2026-published
