Far from being limited to the gospel of eco-efficiency of sustainable urbanism, urban political ecology aims to promote economic relocation, community development and participative democracy through the “autonomous sphere”. However, the extension of this sphere requires time, actually constrained by the economic logic of the postfordist regime. By defending a basic income from the perspective of green politics and André Gorz’s thought, it will be shown that the liberation of time allows the multiplication of autonomous activities through urban spaces.