Environmental Movement (1 Jan 1960 Jahr – 1 Jan 1970 Jahr)
Beschreibung:
In the United States today, the organized environmental movement is represented by a wide ... The modern Environmental movement, which began in the 1960s with concern about air and water pollution.
Zugefügt zum Band der Zeit:
Datum:
1 Jan 1960 Jahr
1 Jan 1970 Jahr
~ 10 years