1. They are structures designed to work as large-scale air purifiers
2. They are usually fitted with multiple layers of air filters
🔹 Fact: Recently, the Chief Minister of Delhi inaugurated the country's first 'smog tower’ in Connaught Place
🔹 Working
1. It uses a ‘downdraft air cleaning system’ where polluted air is sucked in at a height of 24 m
2. Then filtered air is released at the bottom of the tower, at a height of about 10 m from the ground
🔹 Developed by
1. Tata Projects Limited (TPL) built it with technical support from IIT-Bombay and IIT-Delhi
2. National Biofuel Coordination Committee (NBCC) India Ltd is the project management consultant
3. Delhi Pollution Control Committee was in charge of the Project
🔹 Other Steps Taken to Tackle the Problem of Pollution in Delhi:
1. Use of Green Crackers
2. Development of the National Air Quality Index (AQI)
3. Implementation of the Graded Response Action Plan (GRAP)
4. The introduction of BS-VI vehicles, etc
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