Smog is a HUGE problem in India.

Officials in Delhi have unveiled a radical solution to tackle the increasingly noxious smog hanging over the city: a giant public air freshener that scrubs the atmosphere clean. The seven-tonne Systemlife Citta costs about 25 million rupees (£357,000). It sucks in 10,000 cubic metres of dirty air an hour, subjects it to a filtering process, and then emits clean air…


A brown haze often lingers over the Indian capital — a smudgy cloud linked by analysts to increasing rates of asthma.

Only in Cairo is the air grimier. Another Indian city, Calcutta, is in third place. Globally, air pollution claims about two million lives a year, according to the World Health Organisation.