LPG crunch: Chullahs in, clean cooking out

The health and environmental implications of a return to biomass are severe. Burning traditional fuels releases high levels of fine particulate matter (PM2.5), carbon monoxide, and other toxic pollutants, significantly degrading both indoor and outdoor air quality, writes Mr Prabhat Sharma, Associate Fellow and Mr R Suresh, Senior Fellow, Air Quality Research Division, TERI.