Silent ride
A new technology may reduce noise pollution from trains to half
Noisy Mumbai
Shunted out
Pakistan plans to take two-stroke engine autorickshaws off the roads
Firecrackers banned
Oasis of quiet
FESTIVAL>>NOISE • Australia
Occupational hazard
QUARRYING CRUSHED
AN END TO BLASTS
DIWALI DAMAGE-CONTROL
BENGAL "AZAAN" ISSUE
Silent judgement
Silent dawn
POLLUTION NORMS
The pitch factor
Birds are losing their voice