Humberto Gustavo Drummond Teixeira
LibrerÃa Samer Atenea
LibrerÃa Aciertas (Toledo)
Kálamo Books
LibrerÃa Perelló (Valencia)
LibrerÃa ElÃas (Asturias)
Donde los libros
LibrerÃa Kolima (Madrid)
LibrerÃa Proteo (Málaga)
According to UN information, by 2050, 70% of the world’s population will live in cities, in urban environments. The institution also found that in 1950, the global population was estimated at 2.52 billion, and by 2010, there was a demographic jump to 6.9 billion, representing a growth of 273%. The aforementioned survey also found that 50% of the current population lives in urban areas, with a third of these living in slums and informal settlements.