Fluorescent lamps energy efficient but with glitches

Just dump it

Acids of arsenic. Organo-mercury compounds. Batteries. Bristles of boars or hogs. More potent stuff: asbestos; slag dross; ash and residues of …

Let there be CFL

See the light CFL is becoming popular in India with a little help from government schemes. But its wide-scale use requires regulation

DANGER zone

If no action is taken soon, a major ecological disaster is waiting to strike Panipat