Take waste out of water

We cannot manage our rivers sustainably unless we fix our waste management system

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

Australian town says no to drinking recycled sewage

Desalination made easy

Graphite and copper can make brackish water potable

Recycling resolve

Contaminated cocktail

Toilet training

At Nacka nature school in Sweden

Reluctant to upgrade

Textile dyeing units would rather extract groundwater than treat and recycle wastewater due to the costs involved and a lack of adequate policy …

Is your state using water efficiently? Govt's new assessment tool will find out

NITI Aayog will launch Composite Water Management Index to assess and improve states’ performance in efficient management of water resources

Humble filter makes a comeback

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

Peel potential

Bananas can filter heavy metals from water

All in a day's work

Grand Hyatt leads by example on wastewater recycling

No simple solution

California's dilemma: clean air or clean water

Purification project

No passing through

New carbon-based nanotube filter cleans drinking water, petroleum too

Still stressed

In court

Sponge it clean

Why building sewage treatment plants in cities on the Ganga is a challenge

Flood-prone low-lying locations add to the difficulty

Arsenic traps

Oxen power

Unique way to desalinate water

A way to chew filth

A novel method to tackle sewage, and so, pollution