A. Johannesburg
B. Rio de Janeiro
C. New York
D. Nairobi
Tag Archives: The first UN Conference on Environment and Development was held in 1992 at?
A. Johannesburg
B. Nairobi
C. New York
D. Rio de Janeiro
A. Johannesburg
B. Rio de Janeiro
C. New York
D. Nairobi
A. Johannesburg
B. Nairobi
C. New York
D. Rio de Janeiro