The article aims at determining the place and role of environmental issues in spatial management in relation to scientific achievements of Professor Zbyszko Chojnicki. A few words about the professor’s approach to the issue of using the natural environment in spatial management provide a starting point for the ongoing discussion. Next, attention is paid to the place of environmental issues in the interactive model and in the conception of the territorial social system by Professor Chojnicki. This concerns first of all the distinction and description of these elements of the natural environment and environmental relations which are identified in these systemic aspects. In the following part of the article, the analysis of environmental issues is carried out as the subject of interest of spatial management in the context of scientific achievements of Professor Chojnicki in this field. The paper concludes with a short presentation of studies inspired by works of Professor Chojnicki on sustainable development of cities.