Smog havoc
Chile choked
Pollution forces authorities to impose strict measures in Chile
CAMBODIA
Still reeling
New SARS cases in China
Pune: a contradictory picture
Bhopal: towards disaster zone
Delhi: the capital punishment
US comes clean
Diesel becomes a dirty word in the official US environmental lexicon
Re-examined
Air pollutants alone may cause acute asthma attacks
Choking link
Ultrafine pollution particles can penetrate very deep into the lungs
Instant threat
Particulate matter immediately affects lungs and heart
Bytes
Bytes
Particles in our body
Minute particles have a lethal effect on human health
A time-bomb ticking
Valid excuse
The dawn of pollution
Driving out petrol cars
Bold clean-air campaign launched in Italian city
Air pollution levels in Pakistan high
Pakistan's air pollution levels on the rise