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 译者Frank,毕业于英国一流的高级翻译学院,擅长翻译涉及交通物流领域的法律文件。