Topic: Conservation, environmental pollution and degradation, environmental impact assessment
Q6. Light pollution is the invisible pollutant of modern civilisation. Explain its key impacts. Examine measures to address this challenge. (10 M)
Difficulty Level: Medium
Reference: TH
Why the question
Growing urbanisation and use of artificial lighting has made light pollution a pressing but under-discussed environmental challenge, recently highlighted by global studies on its ecological and health impacts.Key demand of the question
The question demands an explanation of the key impacts of light pollution across ecological, health, and scientific dimensions, and an examination of the measures—technological, policy, and behavioural—needed to address it.Structure of the Answer:
Introduction:
Define light pollution and highlight its growing relevance with recent data.
Body:
- Impacts: Briefly mention ecological imbalance, circadian health disruption, astronomy loss, and energy waste.
- Measures: Briefly mention urban design solutions, legal frameworks, smart technology, and international cooperation.
Conclusion:
Forward-looking note on integrating dark-sky conservation into sustainable urban development.
