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Urbanization and Night Time Warming
June 2 , 2024
251 days
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- Urbanization has led to nearly 60 per cent more night-time warming in over 140 prominent Indian cities compared to non-urban areas surrounding them.
- Urbanisation is known to be responsible for the urban heat island (UHI) effect.
- The concrete and asphalt (used in constructing roads and pavements) surfaces store heat during the day and release it in the evening, thereby raising night-time temperatures.
- The mean urban effect for all these cities across India was found to be 0.2 degrees Celsius per decade.
- This leads to an estimate of 37.73 per cent of the total urban warming being linked to urbanisation.
- Currently, 36 per cent of India's population, or about 40 crores, is urban and will double to 80 crores by 2050.
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