WHO recognises air pollution is a critical risk factor for non-communicable diseases. The World Health Organization (WHO) released its list of the 20 most polluted cities in the world on May 2, which features 14 Indian cities.

According to the World Health Organisation (WHO) global air pollution database released in Geneva, India has 14 out of the 15 most polluted cities in the world in terms of PM 2.5 concentrations -- the worst being Kanpur with a PM 2.5 concentration of 173 micrograms per cubic metre, followed by Faridabad, Varanasi and Gaya.

Delhi and Varanasi are among 14 Indian cities that figured in a list of 20 most polluted cities in the world in terms of PM2.5 levels in 2016, data released by the WHO showed. The WHO data also said that nine out of 10 people in the world breathe air containing high levels of pollutants. On this edition of The Big Picture we discuss how to deal with the pollution problem?

On Trending @ 10, another grim reminder that the air that we are breathing in several of our cities in India is killing us. The World Health Organisation, in its latest report, shows that of the 20 most polluted cities in the world, the top 14 are in India. The rider is that the numbers are from 2016. On the show, we look at the startling findings of the report and ask: are steps taken by the government to combat air pollution enough? How can India's air be cleaned? And what can we learn from the China model?

This is a segment of WION which brings to you latest updates. 100 Indian cities to cut pollution by 50% in 5 years. Watch this video for more information.

Transportation is a major source of air pollution in many countries around the world due to the high number of vehicles on the roads. Vehicles introduce toxic materials into the atmosphere that have several bad effects on human health and the ecosystem. Examples of such pollutants include Carbon monoxide, Hydrogen, Nitrogen Oxide, particulate matter, Ammonia and Sulphur Dioxide.

The Sri Lankan players had to wear pollution masks on day 2 of the third Test against India at Feroz Shah Kotla due to increased level of smog. However, this is not the first time a cricket match has been held up due to inclement weather conditions but it is the first time that a match has been halted due to increased level of pollution as the Lankan players complained about the poor air quality. Should Sri Lankans have continued to play or is it too much to ask international athletes to expose themselves to hazardous levels of pollution to play?

Innovations to make the air we breathe cleaner:
Our cities are fast becoming hard to live in, courtesy the polluted atmosphere. Breathability is at an all-time low. In this episode of Future Perfect 2.0, we talk about solutions that are making our indoor, and outdoor air quality a bit better.

NGT slammed Delhi government for not taking effective steps to curb pollution. The green tribunal pulled up Kejriwal government and instructed it to come up with action plan within 48 hours.

Public Forum : Delhi's Pollution Crisis