Whether it is toxic effluent from factories flowing into neighboring rivers, tons of trash dumped illegally and then igniting to release toxic fumes, or human waste deposited along the...

The DEWATS (decentralized waste water treatment system) can be seen in use in several places around Auroville. The vortex system is useful in more compact areas that do not have sufficient space for a...

Natural treatment of waste water occurs by channeling the effluent through several devices: Pre-treatment is done in a settler, first treatment takes place in a baffled tank, second treatment takes p...