Arsenic trap
Silver nanoparticles caged in aluminium can rid water of arsenic
Wealth in waste
Sewage can be used to make the desert green
Magnetic Cleanup
Treating sewage
Recycling gets a boost
Disincentive for defaulters
Proposal to tax erring industrialists for CETPs in Delhi
Bangalore lakes on lease
Excreta's economy a true experience
Parched Goa
When will coliform matter?
India fails to notify standards for treated sewage
Deadly water
Spent force?
Pipe dreams
Bangalore to get treated wastewater