In the presented article, the changes in the environmental components of the Bâc hydrographic basin were investigated. From the environmental components, aspects of the geological structure, the exploitation of natural resources, the state of water quality, changes in some thermal aspects related to climate change, manifestations of weather-climate hazards, as well as the estimation of the demographic pressure of some suburbs from Chisinau municipality. A series of digital cartographic materials have been developed, such as the numerical terrain model map, the hydrographic network of the basin, the atmospheric precipitation map, the geological, pedological map, the slope map, etc. Also, register tables were compiled with the inclusion of plant and animal species threatened with extinction in the basin, consulting the Red Book, 2015 edition.