Min feedback till Davinder Kumar. Kumars artikel.
Have you visited www.humanurehandbook.com by Joseph Jenkins in Pennsylvania, USA? There are some very nice videos on Youtube about sanitation on Haiti in the aftermath of the earthquake. I have cloned the humanure toilet, it can be bought from my site www.torrtoa.se. A communal approach appears a very wise cure for the 1 billion stink situation. It takes a bit of a cuban barefoot doctor approach to really fix this stink. Not to be forgotten is that there is quite a bit of fertilizer potential.