Şcolile din India ar putea să fie închise. Poluarea este principala cauză care a dus la această decizie

Delhi's landmark India Gate, a war memorial, is seen engulfed in morning smog a day after Diwali festival, in New Delhi, India, Friday, Oct. 20, 2017. Environmental pollution - from filthy air to contaminated water - is killing more people every year than all war and violence in the world. One out of every six premature deaths in the world in 2015 - about 9 million - could be attributed to disease from toxic exposure, according to a major study released Thursday, Oct. 19, 2017 in The Lancet medical journal. (AP Photo/Manish Swarup)