Air Pollution

India biggest emitter of sulphur dioxide: report using NASA data

Note4Students

From UPSC perspective, the following things are important :

Prelims level : Sulphur Pollution

Mains level : Curbing air pollution


India largest emitter of sulfur

  • A new report by Greenpeace India shows the country is the largest emitter of sulphur dioxide in the world, with more than 15% of all the anthropogenic sulphur dioxide hotspots.
  • This was detected by the NASA OMI (Ozone Monitoring Instrument) satellite.
  • Almost all of these emissions in India are because of coal-burning, the report says.
  • The Singrauli, Neyveli, Talcher, Jharsuguda, Korba, Kutch, Chennai, Ramagundam, Chandrapur and Koradi thermal power plants or clusters are the major emission hotspots in India.

Why India?

  • The vast majority of coal-based power plants in India lack flue-gas desulphurization technology to reduce air pollution.
  • In a first step to combat pollution levels, the MoEFCC introduced, for the first time, sulphur dioxide emission limits for coal-fired power plants in December 2015.
  • But the deadline for the installation of flue-gas desulphurization (FGD) in power plants has been extended from 2017 to 2022.

NASA data

  • The report also includes NASA data on the largest point sources of sulphur dioxide.
  • The largest sulphur dioxide emission hotspots have been found in Russia, South Africa, Iran, Saudi Arabia, India, Mexico, United Arab Emirates, Turkey and Serbia.
  • Air pollutant emissions from power plants and other industries continue to increase in India, Saudi Arabia and Iran, the report says.
  • In Russia, South Africa, Mexico and Turkey, emissions are currently not increasing — however, there is not a lot of progress in tackling them either.

India is the loser

  • Of the world’s major emitters, China and the United States have been able to reduce emissions rapidly.
  • They have achieved this feat by switching to clean energy sources.
  • China, in particular, has achieved success by dramatically improving emission standards and enforcement for sulphur dioxide control.
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