air pollutionglossary / AIR POLLUTION air pollution. Environmental law. Any harmful substance or energy emitted directly or indirectly into the air, esp. if the harm is to the environment or to the public health or welfare. [Cases: Environmental Law 241–301.] 词条贡献者 资深译员王漾,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译各类与雇主商业秘密相关的法律文件。