Environmental Movement (1 янв 1960 г. – 1 янв 1970 г.)
Описание:
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.Добавлено на ленту времени:
Дата:
1 янв 1960 г.
1 янв 1970 г.
~ 10 years