colour: Light transmitted through a filtered wastewater sample is measured to give a single figure, denoting overall colour turbidity: Gauging wastewater's light-scattering properties

Of all dyes produced across the world, 11 per cent goes out as effluents. 2 per cent from manufacturing and as much as 9 per cent from colouring. Each year, India produces 64,000 tonnes of dyes, 7,040 tonnes of which are directly discharged into the envir

A study to assess the supply of drinking water quality in Delhi, by examining the various physico-chemical parameters, namely pH, conductivity, TDS, SS, DO, BOD, COD, calcium and magnesium hardness, total hardness, alkalinity, salinity, turbidity of the pre-treated water samples from Bhagirathi, Wazirabad, Chandrawal, Haiderpur and Okhala Water Treatment Plants has been carried out.

Chennai, crippled by water crisis, is also a metaphor for what Indian cities are experiencing in sourcing and managing the most precious natural resource: water. An in depth analysis

A recent study suggests that poor nations will have to do with more arsenic in water. A rebuttal by the arsenic and medical group, School of Environmental Sciences, Jadavpur University, Kolkata

Abjure groundwater, prudent surface water use can solve drinking water and irrigation problems