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
India
Surgery for blood pressure
Surgical control
Cause of death: poverty
Heart-friendly pill
CHINA
Cardiac deaths hereditary
Spy vs spy
The war of wits that goes on between plants and viruses
Town quarantined
MALAYSIA
Only the lonely
Save sheesham
Grain of truth
Where mind matters