1 Jan 1970 Jahr - Clean Air Act expanded (established in '63; revised in '65, '70, ''77, '90)
Beschreibung:
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 world
Zugefügt zum Band der Zeit:
Enviornmental Timeline
APES- Block 4
Soughtout Onyeukpere
Datum:
