13 Environment · 13.1 Pollution and control

13.1.3 Smog, stubble burning, vehicular emissions and BS norms

Smog is polluted fog or haze; in north India it is worsened each winter by vehicle exhaust, crop residue burning and still, cold air, and India's main answer to vehicle pollution is the Bharat Stage emission norms.

  • MPSC ATP
  • Standard level
  • 7 min read
  • Full course

Key terms

  • classical smog
  • photochemical smog
  • PAN
  • temperature inversion
  • stubble burning
  • Happy Seeder
  • Pusa decomposer
  • Bharat Stage
  • BS-VI
  • catalytic converter
  • CNG

What this note covers

  1. Core factsFoundation
  2. ExplainedStandard
  3. DeeperAdvanced
  4. Mains writingMains writing
  5. Common trapsFoundation
  6. Quick revisionFoundation

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