shows that the ratio of number of flooding days with rainfall of more than 75 mm
have increased from 1:7 in the 1940s to 1:1 in the 1970s to 1.5:1 in the 2000s.
3.2 Mumbai’s Little-Known River System
Till July 26, 2005, both the authorities and the residents of Mumbai did not know
there were rivers criss-crossing the metropolis and draining excess water into the
sea. To them Mithi river was a mere stinking nullah, which over a period of time
Map 1 Mumbai, An Amalgamation of Islands
Lack of Environmental Planning Exacerbating Climate Change Risks …
463
have increased from 1:7 in the 1940s to 1:1 in the 1970s to 1.5:1 in the 2000s.
3.2 Mumbai’s Little-Known River System
Till July 26, 2005, both the authorities and the residents of Mumbai did not know
there were rivers criss-crossing the metropolis and draining excess water into the
sea. To them Mithi river was a mere stinking nullah, which over a period of time
Map 1 Mumbai, An Amalgamation of Islands
Lack of Environmental Planning Exacerbating Climate Change Risks …
463