課程目標 Lesson objective: 

1. 認識空氣汙染和了解空氣品質

2. 觀看空氣品質指標

3. 如何減少空氣汙染

課程任務 Lesson Assignment:

1. 1st period: How can we prevent air pollution and smog? 

2. 2nd Period: Fossil Fuel, Air Quality Index

3. 3rd Period: A morning announcement for each Air Quality color. 

4. 4th Period: Assessment time.