Nagpur air quality bad due to thermal power stations’ [http://cmsenvis.cmsindia.org/resources/newspaper/details.asp?id=85784]While industries, power plants, mines and vehicles are blamed for increasing exposure to air pollution, there are many lesser-known sources which are significantly poisoning the quality of air. VirendraSethi, professor at Centre for Environmental Science and Engineering, Indian Institute of Technology, Bombay, whose 40 research papers have been published in various international journals, talks about what really is adding to rural and urban air pollution.