The countdown begins
20-year-old commercial vehicles go off the road in Delhi
In the dark
LANKA POLLUTION
Getting tough
The Supreme Court bans the registration of three-wheelers in Delhi
Air Pollution
Cleaning China
The Chinese government introduces pollution-control measures
VEHICLE EMISSION TESTS
Plying dirty
Foul fuel
Diesel price hike in South Korea to curb air pollution
BRAZIL
Zeroing in on ozone
Diluting standards
FATAL WHIFF
BAD AIR