ISO 14021:2016规定了有关产品的自我声明的环境要求，包括声明、符号和图形。它进一步描述了环境索赔中常用的一些术语，并给出了它们的使用条件。本国际标准还描述了自行申报环境索赔的一般评估和验证方法，以及本国际标准中所选索赔的具体评估和验证方法。 ISO 14021:2016不排除、覆盖或以任何方式更改法律要求的环境信息、索赔或标签，或任何其他适用的法律要求。

ISO 14021:2016 specifies requirements for self-declared environmental claims, including statements, symbols and graphics, regarding products. It further describes selected terms commonly used in environmental claims and gives qualifications for their use. This International Standard also describes a general evaluation and verification methodology for self-declared environmental claims and specific evaluation and verification methods for the selected claims in this International Standard. ISO 14021:2016 does not preclude, override, or in any way change, legally required environmental information, claims or labelling, or any other applicable legal requirements.