The present dissertation aimed to understand the tension between the fundamental right to housing and the fundamental right to the environment from the phenomenon of occupations in areas of permanent preservation. At the outset, to understand the phenomenon, was considered the essential aspects of the urban question that involves urban growth without planning, reproduction of the labor force in the capitalist market, access to urban land and private property, housing deficit, unequal allocation of public equipment and services in urban space. The urban question that arises in the context of the construction of an urban space of an essentially social character needs to be understood from the point of view of social dynamics. That is, understanding the participation, responsibilities and the way of acting of each urban actor is paramount for facing the urban question. In addition, in order to understand the tensions between urban actors and institutions, the right to the city is an effective way of harmonizing and overcoming obstacles in the dialogue between fundamental rights housing and the environment. It is still to be considered in the attempt to harmonize them, the environment has now assumed the biocentric vision, in which the protection of all forms of life prevails and not only of human life. For the purposes of equalizing the tension between rights, the environment will have its relative value recognizing and assuming the environmental damages already produced as a way to also meet the most basic human needs related to the right to housing.