For stability
Ozone therapy
Reduction of ozone-depleting substances could actually lead to the ozone layer repairing itself
An urban nightmare
Putting off sleep could spell trouble
Battle for beef
Rajasthan affected
India
Effluent treatment plants have not proved effective
Tishya Chatterjee , member secretary, Andhra Pradesh Pollution Control Board (APPCB)…
Living dangerously
A study on polychlorinated biphenyls in Russia may throw up some startling findings
When nature strikes
Did climatic changes in the Himalaya help the intruders in the Kargil crisis?
BRAZIL
EXPERT COMMITTEE
Pollution at high levels