Today, cities emit about 70% of the world’s carbon emissions. To Pontus Westerberg, Programme Management Officer at UN-Habitat, this fact is related with one of cities’ main current challenges: urban sprawl. «This urban planning model of the 20th century – too much focused on the use of car and where it is required to move very long distances between work and home – is something that we need to change now in the 21st century to make our cities more inclusive and sustainable», he points out.
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