Desalinating seawater can ensure water security

National water policy should include utilisation of sea water resources for holistic development of country's water resources

Sound method...

...of cleansing the membranes used in filtration of polluted water

Why ozonization to treat drinking water can be dangerous

"Centralised wastewater treatment does not work"

The Centre For Scientific Research Trust (CSR), Auroville, Pondicherry has pioneered the decentralised wastewater treatment system in India. …

A brush of hair

Can help treat oily wastewater

Nano arsenic mop

Alumina nanoparticles can better adsorb the heavy metal

Sweet treatment

A cheaper method uses glucose and enzymes to filter water

Wasting no water

Industries in Bangalore to get recycled water

Clean option

Gandhian Sanitation: Political will, proactive sarpanch changed the sanitation scene in Mariyapuram

The village sarpanch formed self-help and youth groups to motivate the village residents; the Panchayat constructed 192 individual and nine …

A salty resort

In Chennai, the salinity of groundwater has increased many times above the permissible limits. The question is whether making sea water potable …

Lemony clean water

Lime juice, sunlight can purify water in 30 minutes

Activated carbon removes pesticide

Clean-up act

For pure water

Treating contaminated water

The problem of natural contamination of groundwater with highly toxic poisons like arsenic and fluoride is here to stay. The million-dollar …

Halogen wars

Water purifier makers in court over advertisement

Oilfree, naturally

Biosurfactants from bacteria help filter wastewater

Big Ben

Bioremedy for arsenic menace

Leafy solution

Foliage helps check fluorosis

Electric barrier

Water purifier that kills 98 per cent bacteria, fast

Desalination made easy

Graphite and copper can make brackish water potable

Recycling resolve

Humble filter makes a comeback

Traditional bio-sand purifier can filter arsenic which most commercial water purifiers fail to do

Toilet training

At Nacka nature school in Sweden