Discuss the role of construction and demolition activities in shaping air pollution patterns in Indian cities. Evaluate the effectiveness of current mitigation measures.
Kartavya Desk Staff
Topic: Conservation, environmental pollution and degradation, environmental impact assessment
Topic: Conservation, environmental pollution and degradation, environmental impact assessment
Q6. Discuss the role of construction and demolition activities in shaping air pollution patterns in Indian cities. Evaluate the effectiveness of current mitigation measures. (10 M)
Difficulty Level: Medium
Reference: NIE
Why the question Construction dust has emerged as a major contributor to urban air pollution in India, especially with rapid infrastructure expansion in cities. Recent debates around C&D waste management, road dust and urban air quality (CPCB, CAQM reports) Key Demand of the question The question requires discussing how construction and demolition activities influence urban air pollution patterns in Indian cities. It also requires evaluating the effectiveness of current mitigation mechanisms and highlighting the major challenges affecting their implementation. Structure of the Answer Introduction Briefly mention that construction dust and road dust are significant contributors to PM10 pollution in Indian cities as noted in CPCB source apportionment studies, linking urban infrastructure expansion with air quality concerns. Body Role of construction and demolition activities: Indicate how activities such as excavation, demolition debris, transport of construction materials and exposed soil surfaces contribute to particulate pollution in urban areas. Effectiveness of current mitigation measures: Mention the presence of regulatory frameworks such as C&D Waste Management Rules, dust mitigation guidelines and technological interventions like mechanised sweeping or sprinkling systems. Challenges in implementation: Indicate issues such as weak enforcement, institutional fragmentation in urban governance and compliance gaps at construction sites. Conclusion Emphasise the need for stronger enforcement, improved urban environmental governance and sustainable infrastructure planning to reduce construction-related air pollution.
Why the question Construction dust has emerged as a major contributor to urban air pollution in India, especially with rapid infrastructure expansion in cities. Recent debates around C&D waste management, road dust and urban air quality (CPCB, CAQM reports)
Key Demand of the question The question requires discussing how construction and demolition activities influence urban air pollution patterns in Indian cities. It also requires evaluating the effectiveness of current mitigation mechanisms and highlighting the major challenges affecting their implementation.
Structure of the Answer
Introduction Briefly mention that construction dust and road dust are significant contributors to PM10 pollution in Indian cities as noted in CPCB source apportionment studies, linking urban infrastructure expansion with air quality concerns.
• Role of construction and demolition activities: Indicate how activities such as excavation, demolition debris, transport of construction materials and exposed soil surfaces contribute to particulate pollution in urban areas.
• Effectiveness of current mitigation measures: Mention the presence of regulatory frameworks such as C&D Waste Management Rules, dust mitigation guidelines and technological interventions like mechanised sweeping or sprinkling systems.
• Challenges in implementation: Indicate issues such as weak enforcement, institutional fragmentation in urban governance and compliance gaps at construction sites.
Conclusion Emphasise the need for stronger enforcement, improved urban environmental governance and sustainable infrastructure planning to reduce construction-related air pollution.