Of the 22 cities, Mumbai, is the densest city in the index with 27,000 people per square km – more than 27 times more tightly packed than Wuhan, which has less than 1,000 people per square kilometre.
Mumbai, even though it has a fragmented energy delivery market which makes overarching conservation projects difficult formed the Mumbai Energy Alliance in September 2009.
Mumbai is a burgeoning metropolis and India’s financial capital. With a population of about 12.7 million, it is the most densely populated city in the index.
It generates a GDP per capita at about $2,200, which makes it one of the least prosperous cities in the Index. Mumbai ranks below average overall. Its best performances are in energy and CO2, land use and buildings, and water.
The city has the second-lowest CO2 emissions per capita and benefits from a relatively high share of renewable energy for electricity production (21%).