India Nighttime Temperatures: India's Rising Nighttime Temperatures Should Worry Us More Than We Think
GS3Economy · S&T · Environment · Security· Climate change & international agreements· Prelims + Mains·
Why in news
The IMD and CEEW highlighted a concerning trend of rising nighttime temperatures in India, driven by urban heat island effects and climate change.
Background
The Council on Energy, Environment and Water (CEEW) reported that very warm nights are increasing at a faster rate than very hot days. The India Meteorological Department (IMD) predicts above-normal minimum temperatures across most of India, excluding parts of Maharashtra and Telangana.
Facts for Prelims
- BodyIMD: India Meteorological Department is the primary agency for weather forecasting and climate monitoring.
- S&TUrban Heat Island (UHI) effect: Phenomenon where urban areas experience higher temperatures than surrounding rural areas due to concrete and lack of vegetation.
- FactCEEW: Council on Energy, Environment and Water is a prominent Indian think tank on energy and climate.
For Mains
Q. Analyze how the Urban Heat Island effect exacerbates climate change impacts in Indian cities and suggest nature-based solutions for mitigation.
Dimensions to cover in your answer
- Public health risk: Increased cardiovascular strain and dehydration due to lack of nocturnal cooling periods.
- Urban planning bottleneck: High density of heat-absorbing concrete surfaces vs. inadequate green-space per capita.
- Policy trade-off: Balancing rapid urban infrastructure expansion with the integration of nature-based cooling solutions.
Keywords: Urban Heat Island · Nature-based solutions · Climate resilience · Thermal comfort · Mitigation strategies
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