Diwali fireworks 'worsen Delhi pollution'
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Diwali fireworks 'worsen Delhi pollution'

The level of pollution in Delhi has risen to nearly 10 times the safe level after thousands of fireworks were let off during Diwali celebrations.

Delhi is the most polluted city in the world, and there have been several campaigns asking people to use fewer fireworks during the festival.

Justin Rowlatt reports from Delhi.

  • 31 Oct 2016
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