Walking on Foot: sustainable mobility and public policies.

The ecosystem from the current urban lifestyle demands dynamic cycles of energetic replacement not always reached, producing an intense process of autophagy resources caused by rampant processes of consumption of natural resources of the planet. Another type of environmental resulting imbalance is also even more serious, the concentration of wealth in a small portion of the population as opposed to the majority platform of poverty and social conflict. This imbalance is also reflected in models of mobility practiced in cities, especially in the brazilian ones, where the privilege to individual motorized modes responsible for the commitment of both air quality as a valuable public space for the practice of community life and citizenship seriously compromise the environment urban. To mitigate this process, public policies supported by laws have been rebalancing environmental conditions and ensuring good quality of urban life as well as a fairer city.