An environmental aspect is an element of an organization’s activities, products or services that interacts or can interact with the environment. The resulting change to the environment is the impact.
The distinction matters and is constantly muddled: discharging solvent to drain is the aspect; water contamination is the impact.
Significance
ISO 14001 requires you to determine which aspects have or can have significant environmental impacts, using defined criteria. Significant aspects drive your objectives, your operational controls and your emergency preparedness — so the determination shapes the entire system.
There is no prescribed method. Common criteria include severity of impact, likelihood, frequency, regulatory exposure, and interested party concern.
The life cycle perspective
Both the 2015 and 2026 editions require aspects to be determined from a life cycle perspective — considering the stages of your product’s life you can control or influence, including raw material acquisition, use, end-of-life treatment and disposal.
This does not require a full life cycle assessment. It requires that you looked beyond your own fence line.
Normal, abnormal and emergency
Aspects must be considered under all three conditions. Routine operation is the easy case. Start-up and shutdown, maintenance, and spill or fire scenarios are where the significant impacts frequently sit, and where registers most often stop short.
Note on the 2026 edition
ISO 14001:2026 was published on April 15, 2026, and the 2015 edition was withdrawn the same day. The life cycle perspective carries into the new edition. Global ACI issued the transition requirements on September 14, 2026, in Global ACI-TECH-3-TR: transition complete by April 30, 2029, and from October 31, 2027, new certifications may only be issued to the 2026 edition.