The natural contamination of drinking water by arsenic needs to be urgently addressed.

The Kosi river Bihar s sorrow floods every year. But embankments built to control the floods have, in turn, made life miserable for the thousands of poor people living along the river s banks

While the nation's attention is focused on the caste killings in Jehanabad, a silent but deadlier killer is striking terror in Bihar. Kala azar, the 'black fever' which was relegated to the bottom drawer of government priorities, is back. Experts fear it

Yes. The disease is spreading fast. Yet there is little scientific data to devise a strategy to deal with it

Environmental changes have led to the emergence of kala azar in new areas