Michael Greenstone of MIT says almost 6.28 mn population in 281 districts of India is exposed to health risks due to poor adherence to pollution standards

India’s over 121 billion strong population stands to gain almost 3.3 years of their life if all parts of the country adhere to the air quality standards laid down by the government, a new study by well-known Environment Economist Professor Michael Greenstone, of the Massachusetts Institute of Technology showed.