Ganga and Varanasi’s Waste-water Management: Why has it remained such an Intractable Problem?

My blog post on the blog of  
SANDRP South Asia Network on Dams, Rivers and People

http://sandrp.wordpress.com/2014/09/25/varanasis-ganga-wastewater-management-why-has-it-remained-such-an-intractable-problem/