It is estimated that 50% of the world’s population lives in a city. This rate is believed to grow to 70% in the 2050′s. This phenomenal growth can be attributed to the lure of not just economic opportunities, but also to loss of farmland, pollution or conflict. Moreover the attraction and anonymity of hedonistic pleasures that cities have to offer play an important role in a world that satisfies the needs of the modern individualist.
Top 10 most air polluted cities
