Sound method...

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

Why ozonization to treat drinking water can be dangerous

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

Lemony clean water

Lime juice, sunlight can purify water in 30 minutes

Activated carbon removes pesticide

Oilfree, naturally

Biosurfactants from bacteria help filter wastewater

Big Ben

Bioremedy for arsenic menace

Desalination made easy

Graphite and copper can make brackish water potable

Recycling resolve

Toilet training

At Nacka nature school in Sweden

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

Oxen power

Unique way to desalinate water

A way to chew filth

A novel method to tackle sewage, and so, pollution

Ground works

Wastewater treatment plant that also functions as a garden

Contaminated alum in Mumbai's drinking water

Green sports

Deep cleansing

Rainwater harvesting can purge pollutants too