Climate change costs Chennai residents five hours of sleep annually
GS3Economy · S&T · Environment · Security· Nuclear & new energy technology· Prelims + Mains·
Why in news
A Climate Central study highlights how climate change-induced high night-time temperatures cause significant sleep loss in Indian cities, specifically Chennai
Background
Climate Central, a US-based advocacy group, reported that Chennai residents lose an average of 93 hours of sleep annually due to high night temperatures, with 5 hours directly attributed to climate change. Mumbai and Kolkata residents lose 84 and 80 hours of sleep respectively. Simultaneously, NCP-SP's Supriya Sule indicated a potential shift toward supporting the delimitation Bill if it ensures a 50% increase in Lok Sabha seats across all states.
Facts for Prelims
- FactChennai residents lose an average of 93 hours of sleep annually due to high night temperatures.
- FactClimate change is directly responsible for 5 hours of sleep loss in Chennai annually.
- FactMumbai and Kolkata residents lose 84 and 80 hours of sleep respectively per year.
- BodyClimate Central is a United States-based climate advocacy group.
For Mains
Q. Discuss the impact of rising night-time temperatures on urban public health and the socio-political implications of proposed delimitation changes in India.
Dimensions to cover in your answer
- Public health burden: Escalating heat-related morbidity and sleep deprivation in densely populated urban corridors.
- Demographic representation: The tension between population-based seat allocation and federal equity in delimitation.
- Climate adaptation: Lack of urban cooling infrastructure exacerbating heat-stress in coastal cities like Chennai.
Keywords: Climate Change · Urban Heat Island · Delimitation · Public Health · Political Realignment
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