1 янв 1970 г. - Clean Air Act expanded (established in '63; revised in '65, '70, ''77, '90)
Описание:
The Clean Air Act is a United States federal law designed to control air pollution on a national level. It is one of the United States' first and most influential modern environmental laws, and one of the most comprehensive air quality laws in the worldДобавлено на ленту времени:
Дата:
1 янв 1970 г.
Сейчас
~ 55 г назад