Sewage farm­ing is safe

Down to Earth - - LETTERS -

It was shock­ing to go through the re­port "Is sewage farm­ing safe?" (Fe­bru­ary 16-28, 2015). The or­der of the Na­tional Green Tri­bunal to de­stroy sewage-farmed crops around Bhopal and the sub­se­quent ac­tion of the Mad­hya Pradesh Pol­lu­tion Con­trol Board need ur­gent re­view. The prac­tice of farm­ing—both agri­cul­ture and aqua­cul­ture—us­ing sewage wa­ter is com­mon and well-known world­wide, in­clud­ing in In­dia. Be­sides the suc­cess story of Gu­jarat, as re­ported in the ar­ti­cle, there is an­other in­stance: peo­ple in the East Kolkata Wet­lands, a Ra­masar Site, have long been prac­tis­ing aqua­cul­ture us­ing sewage (both treated and un­treated) from the Greater Kolkata metropoli­tan area with­out any com­plaint. Pure sewage does not con­tain in­or­ganic tox­ins like heavy met­als un­less con­tam­i­nated by other sources. I think the re­ported tox­i­c­ity, if any, in

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