Tannery convicted
Peel filter
Grapefruit skin can remove chemical dyes from textile effluent
Lemony clean water
Lime juice, sunlight can purify water in 30 minutes
Removing the audits bogey
MEXICO
All that rot
India's waste problem is serious, says expert
Recycling cell
THAILAND
Safety measure
Activated carbon removes pesticide
Clean-up act
Clean with coir
Biofilter for domestic wastewater
Sunscreen, soda...voila
For pure water
Halogen wars
Water purifier makers in court over advertisement