World Health Organization has issued a strong warning about the effects of air pollution on children. On October 29, 2018, it released a report called Air Pollution and Child Health. It states that in 2016, 600,000 children died from acute lower respiratory infections caused by polluted air. What is worse is that 93% of the world's children under the age of 15 (1.8 billion) are exposed to high levels of PM 2.5 which are superfine air pollutants. Worst are those living in developing countries where 98 per cent of all children are exposed to very unhealthy air. 

Green schools are taking initiatives to clean the polluted air around us As we gear up for winter, we cannot ignore that this is the time when we experience the worst of air quality across cities and towns. The air we breathe is filled with toxic pollutants like nitrogen dioxide (NO2), sulphur dioxide (SO2), carbon monoxide (CO), particulate matter (PM 2.5, PM 10), lead (Pb), ozone (O3), among others, arising from multiple sources such as vehicles, industries and power plants. Delhi has been infamous for its air pollution, for years, especially after the World Health Organisation reported it to be the most polluted city in …

Why has it become increasingly diffiicult to run even during early mornings? Suddu was anxious. He tightly grabbed Papa’s hand to avoid getting lost in the crowd. This was the third medical store they had visited since morning to buy a mask. The first two in their locality had already run out. “Papa, when will we go home? I am hungry,” said a visibly irritable Suddu. More than hunger it was the urge to get out of the crowded medical store. “As soon as we buy the mask, beta,” his father assured him. “But why is there such a long queue?”...

The girl would remember that winter fondly as the one when they made their last snowperson. Her elder brother and sister and two girls and another boy from the neighbourhood had developed a ritual over the years. Every time it snowed substantially, they would leave all but one of their kãgers at home, put on their Duckback boots and homemade woollen gloves and head for the clearing between the walnut trees behind their mohalla.

Yossi Yovel and colleagues at the University of Tel Aviv have discovered that the shrill cries of bats, which so often pass into ultrasonic, are filled with a lot of information.