There is a group of guidelines being proposed for legacy cities in North America. Referring to cities that have experienced population/jobs loss over decades, developed around big industrial centers which no longer exist, economic weight shifted to new areas.

Cities in Venezuela differ a lot from legacy cities up North, but we certainly share their downward spiral and the challenges to reverse the forces contributing to it. The housing markets fall short of housing needs and marginal areas are main parts of the city, so it is hard to find vacant lots or properties. On the contrary, unfinished buildings are taken by the homeless very frequently even when built for totally different purposes.

While developed world measures sustainability in their urban centers from every possible angle: carbon print, walkability, productivity, educational levels, etc…