Q. According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?
(a) Locomotives using fossil fuels
(b) Ships using fossil fuels
(c) Extraction of metals from ores
(d) Power plants using fossil fuels
Correct answer: (d) Power plants using fossil fuels
Question from UPSC Prelims 2024 GS Paper
Explanation:
Environmental Protection Agency
According to the Environmental Protection Agency (EPA), the largest source of sulfur dioxide (SO₂) emissions is the burning of fossil fuels by power plants and other industrial facilities. This combustion process is the primary contributor to SO₂ emissions in the atmosphere, surpassing other sources such as locomotives, ships, and metal extraction processes.