Chapter 2  Air pollution & its control

Sections of this chapter

1.     Atmospheric structure and composition

        大气结构和组成

2.     Air pollutants and sources

        大气污染物及其来源

3.     Environmental problems related to air 

        pollution

        与大气污染有关的环境问题

4.     Air pollution control

        大气污染控制

Important points of this section:

  1）Vertical structure of atmosphere

  2）Relationship between air pollution and atmospheric components

Video: Composition in early earth atmosphere

Requirement: 掌握大气层各层的特点