According to the World Health Organization, the safe limit of PM2.5 concentration for humans is 25 micrograms/cubic metre. But, the fact that at any given time, the PM2.5 levels in Delhi hover between 303.9 and 408.2 -- way above the safe level -- is no news! Newspaper headlines scream on toxic pollution levels and people wearing protective masks has become a common sight.
In the heart of Central India lies the Panna Tiger Reserve, a sanctuary that has seen a remarkable revival of its tiger population thanks to reintroduction efforts. But how are these majestic creatures adapting to their new environment? A team of researchers from the Wildlife Institute of India (WII) Dehradun is trying to find out.