The half of the global population is living in rural (Villages) or urban areas (Cities and Metro Cities). By 2050, it will rise up to 2/3, as 1.4 million peoples like to move into urban areas. Cities consume around 70 per cent of global energy and generate a comparable amount of greenhouse gas (GHG) emissions in both the short and long term, contributing to climate change. Furthermore, these poorly planned cities are vulnerable to extreme climate events and climate change-related phenomena. Cities can be divided into global megacities, mature cities and emerging cities. This latter group provides the greatest opportunity for bringing about a significant reduction in projected GHG emissions while maintaining strong growth. Emerging cities, like Delhi and Hyderabad and Pune in India and Rawalpindi in Pakistan, are rapidly growing. The mid-sized cities that are expected to produce over the 25 % of global income growth – coupled with one-third of new GHG emissions – over the co...
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