At the Faculty of natural sciences of the Comenius University in Bratislava exist from its foundation in 1940 research programmes of different branches of natural sciences: biology, geography, geology and from the fifties also chemistry orientated also on solution of the problem of the human environment. At present at the Faculty of natural sciences the Environmental section leads and develops an integrated environmental research. From the viewpoint of long-term aims the investigation is orientated on solution of the problems of dynamics, stability, autoregulation mechanism of landscape systems of the environment, on evaluation of the quality of human environment, on formation of environmental information system. Short-term aims of the research are in harmony with the longterm strategy of the Environmental section. At present there are being solved 7 scientific-research projects.