The set of files now available contains the polygons of conservation units and other green areas of the Municipality of São Paulo (RMSP), and were prepared by the CEM / Cepid Transfer team, under the coordination of geographer José Donizete Cazzolato. In conjunction with hydrographic and river basin layers, this base mainly meets the demands of environmental research within the RMSP, not only considering those carried out within the scope of CEM / Cebrap, but also to external researchers and other interested parties, through the website.