From UPSC perspective, the following things are important :
Prelims level : State of Global Air Report 2019
Mains level : Air pollution related deaths in India and across the world
- The current high level of air pollution has shortened the average lifespan of a South Asian child by two-and-a- half years while globally the reduction stands at 20 months, according to a global study released.
State of Global Air Report, 2019
- State of Global Air 2019, published by Health Effects Institute (HEI), said exposure to outdoor and indoor air pollution contributed to over 1.2 million deaths in India in 2017.
- The worldwide air pollution was responsible for more deaths than many better-known risk factors such as malnutrition, alcohol abuse and physical inactivity.
- Overall, long-term exposure to outdoor and indoor air pollution contributed to nearly 5 million deaths due to stroke, diabetes, heart attack, lung cancer, and chronic lung disease in 2017.
- In India, air pollution is the third highest cause of death among all health risks, ranking just above smoking; each year, more people globally die from air pollution-related diseases than from road traffic injuries or malaria.
- The study found that China and India together were responsible for over half of the total global attributable deaths, with each country facing over 1.2 million deaths from air pollution in 2017.
- China has made initial progress, and is beginning to achieve a decline in air pollution.
- Out of these, 3 million deaths were directly attributed to PM2.5, half of which were from India and China together.
- South Asian countries — Bangladesh, India, Nepal and Pakistan — led the world as the most polluted region, accounting for over 1.5 million air-pollution related deaths, according to the report.