25 dic 1963 anni - Section 5
Descrizione:
The Clean Air Act has helped smog decrease more than 25%, reduce mercury emissions by 45%, reduce the main pollutants by 71%, and decrease lead air pollution by 92%. The Clean Air Act has helped the world today byAggiunto al nastro di tempo:
Data:
25 dic 1963 anni
Adesso
~ 61 years ago