摘要：In the world in general and sub-Saharan Africa in particular, environmental issues interest and influence more and more all the actors of society namely economic policy makers, civil society and government. Congo Brazzaville in general and Brazzaville in particular, which is also one of the cities of developing countries is faced with proven degradation environment problems whose causes are mainly from human activities, natural phenomena and socioeconomic problems. This environmental degradation threatens the health of populations both urban and rural. Drastic measures must be taken against these problems. Thus, an awareness policy and necessary measures must be developed to educate, raise awareness among people to prevent potential hazards related to this issue of environmental degradation that has become worrisome and compromises already the lives of people in the city of Brazzaville particularly.
关键词：environmental problems; degradation; human activities; Brazzaville
