Only One Earth - The Environment

Pollution of the environment has become so widespread that all forms of life are threatened. In June 1972 representatives of some 130 nations met in Stockholm for an unprecedented meeting under the auspices of the United Nations to seek ways of translating their concern about the deterioration of conditions on our planet into a global attack on the problem.
An aerial view of one of the tributaries of the Niger River. [Exact date unknown]