From waste to electricity to pollution
18 hours, 42 minutes ago

From waste to electricity to pollution

The Hindu  

Delhi remains the most polluted city in India, as of December 20. Air pollution in Delhi mostly originates from human activities such as burning coal; petrol, diesel, and gas; biomass in industries; and coal-based power plants. According to the Centre for Research on Energy and Clean Air, thermal plants emit sulphur dioxide at levels 240 times higher than stubble burning. The guidelines of the Ministry of Environment, Forest and Climate Change require coal-based power plants to install flue-gas desulfurization systems, which can reduce their annual sulphur dioxide emissions by more than 60%. Besides coal power plants, Delhi’s four waste-to-energy plants located in Ghazipur, Narela, Okhla, and Tehkhand are also major sources of pollution.

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