Why concerns about SO? emissions, a major air pollutant, keep recurring

Category : Air Pollution | Location : National  | Posted on 2025-08-04 23:33:26

Recently, the government decided to scale back its 2015 mandate requiring coal-based thermal plants to install clean-air equipment – flue gas desulphurisation (FGD) devices – that remove sulphur dioxide (SO₂) emissions, a key contributor to air pollution. This move is primarily driven by the high cost of retrofitting older plants and the significant capital investment needed for new installations. 

Source: https://indianexpress.com/article/upsc-current-affairs/upsc-essentials/recurring-concerns-about-so%E2%82%82-emissions-key-contributor-to-air-pollution-10169381/