This is the name given to the phenomenon consisting of urban sprawl and reducing the distance between neighboring towns as well as the decline in weather in a city pass to another.
This phenomenon is due to the large population living in cities, the European continent is one of the most urbanized, it is estimated that approximately 75% settled population lives in cities.
In 2020 this figure will have risen to 80% and at least 7 countries this amount of population living in cities will reach 90% or exceeded.
The growth of urban sprawl requires amending the landscape and greatly affects the Environment . This is tangible throughout Europe and in general on all continents of the world DEVELOPED.
In general, cities have certain aspects that benefit the environment compared to sparsely populated areas because they are concentrated in small areas where large numbers of people and activities, which it is possible to move from one place to another without having to travel long distances, a fact that allows those journeys on foot or by public transport, but this fact is useless without awareness of the population.
Among all cities could achieve a level of sustainability effective against climate change.
However, we do not act only sustainable but day by day increases our exposure to pollution, both acoustic and atmospheric, water restrictions and lack of open spaces and green areas.
Therefore, compact cities are preferable in the case that people know to use a new lifestyle, but this potential advantage can turn into its opposite and lead to environmental problems much more severe than in sparsely populated areas.
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