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Areas selected for smart city development are ‘heat islands’: Study

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Areas selected for smart city development are ‘heat islands’: Study

[vc_row][vc_column][vc_column_text]~By Dinesh C Sharma

Study covered 89 of 100 areas selected for smart city projects, says temperature could be 1 to 6 degrees higher than surrounding areas in these heat islands

New Delhi: The phenomenon of urban heat islands, in which concrete and built areas in cities experience higher temperatures than surrounding rural areas, may get accentuated with rapid urbanisation. This is the conclusion of a new study of urban areas selected for development of smart cities.

The study, which covered 89 of 100 areas selected for development of smart cities, has found that agriculture and irrigation are two dominant drivers of urban heat islands or UHI in India. In addition, significant presence of atmospheric aerosols – mainly pollutants – over urban areas can influence UHI.

Moisture from irrigation canals and agriculture fields plays a key role in keeping rural areas surrounding cities much cooler than urban areas, resulting in cities becoming heat islands. In a heat island, temperature could be 1 to 6 degrees higher than surrounding areas. Remote sensing data and climate modelling were used to evaluate UHI all over the country.

When the surrounding non-urban areas have no agriculture during summer, cities are actually relatively cooler during daytime. However, if the non-urban areas are under irrigated agriculture, cities are warmer than surroundings. This means UHI effect during day time is mainly driven by agriculture and irrigation. However, in the night-time, cities are significantly warmer than surroundings in both winter and summer seasons. Night-time urban heat is mainly driven by the amount of heat stored in buildings and other impervious surfaces.

Urban areas located in highly irrigated regions – Indo-Gangetic Plain and north-west India (Haryana and Punjab) – show UHI intensity of 3 to 5 degrees. During summer season (April and May), when air temperature is at the peak, land surface temperature becomes is higher than that of the post-monsoon season in absence of agricultural operations. Moreover, amount of moisture and vegetation in non-urban areas are also limited as crops are largely harvested by the end of March and soil moisture is depleted due to high atmospheric water demands, the study said.

“While urban areas have experienced increased number of heat waves and temperature extremes in recent past, urban heat island effect driven by rapid urbanization can further worsen extreme hot conditions in cities,” pointed out Dr Vimal Mishra, a scientist at the Water and Climate Lab of Indian Institute of Technology, Gandhinagar, which did the study. The results of the study appeared in the journal Scientific Reports.

The development of smart cities will result in rapid growth in urban infrastructure and population, leading to increases in UHI intensity. “Our results can provide policy insights for development of smart cities,” Mishra said. “Considering night-time heating which could be significant during heat waves, measures such as passive cooling should be used. Building materials that absorb less heat and are sustainable can reduce the amount of heating caused by stored heat.” The presence of water bodies and vegetation in cities can also help reduce additional night-time heating in urban heat islands.

The study team included Rahul Kumar and Vimal Mishra (IIT Gandhinagar); Jonathan Buzan and Matthew Huber (Purdue University, USA); Rohini Kumar (UFZ-Helmholtz Centre for Environmental Research, Leipzig, Germany ); and Drew Shindel (Duke University, USA).

(The article is from a syndicated feed provided by the India Science Wire)[/vc_column_text][/vc_column][/vc_row]

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Yogi Adityanath takes a dig at Akhilesh Yadav over Ram Temple visit plan

Yogi Adityanath’s remarks came after the Samajwadi Party announced that Akhilesh Yadav would visit the Ram Temple in Ayodhya on December 12.

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Yogi Adityanath

Uttar Pradesh Chief Minister Yogi Adityanath on Saturday took an apparent swipe at Samajwadi Party chief Akhilesh Yadav over his planned visit to the Ram Temple in Ayodhya, saying those who had fired on Ram devotees should first apologise to them and to the saints.

Yogi made the remarks while addressing the 10th edition of Deepotsav in Ayodhya. He did not name Akhilesh Yadav directly.

Yogi’s remarks come after Akhilesh’s Ayodhya visit plan

The chief minister’s comments came after the Samajwadi Party announced that Akhilesh Yadav would visit the Ram Temple in Ayodhya on December 12. It would be his first visit to the temple since its inauguration, according to the report.

Yogi said those who had earlier neglected and insulted Ayodhya, opened fire on Ram devotees and subjected saints to lathicharge should come to the city only after seeking forgiveness.

“Let them apologise to the devotees of Lord Ram; let them apologise to the saints,” Yogi said, adding that they should repent for their past actions.

Reference to 1990 firing on kar sevaks

Yogi’s remarks referred to the 1990 police firing on kar sevaks during the Ram Janmabhoomi movement. At the time, the Uttar Pradesh government was headed by Mulayam Singh Yadav, Akhilesh Yadav’s father.

The chief minister said those who had once “bloodied” Ayodhya were now remembering the city. He also criticised political leaders over their conduct at religious gatherings, referring to the decorum of a katha.

Akhilesh has not yet visited the Ram Temple

Akhilesh Yadav has visited Ayodhya earlier but has not so far visited the Ram Temple. The SP leader was in the city on October 8 to attend a Bhagwat Katha organised by party leader Pawan Pandey.

According to the report, Akhilesh and his wife, Mainpuri MP Dimple Yadav, are scheduled to offer prayers at the Ram Temple and Hanumangarhi on December 12.

The planned visit comes amid political activity in Ayodhya ahead of the Uttar Pradesh Assembly elections due by February 2027.

Yogi highlights Ayodhya’s transformation

During his Deepotsav address, Yogi also spoke about the changes in Ayodhya and described the city’s transformation as an ideological victory.

He said those who had previously neglected Ayodhya were now witnessing its development. He also said Lord Ram represented India’s national consciousness, culture, values and self-respect.

The chief minister further recalled the Ram Janmabhoomi movement and said Ayodhya had regained the glory for which kar sevaks and saints had struggled.

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Ahead of Diwali, Yogi govt hikes DA by 5% for UP government staff

The Uttar Pradesh government has increased Dearness Allowance by 5 percentage points, taking it from 58% to 63%. The revised rate will benefit lakhs of eligible employees ahead of Diwali.

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Yogi Adityanath

The Uttar Pradesh government has announced a 5 per cent increase in Dearness Allowance (DA) for state government employees ahead of Diwali. With this revision, the DA rate has increased from 58 per cent to 63 per cent, providing financial relief to lakhs of eligible employees across the state.

The revised allowance will be effective from July 1, 2026, according to the government announcement. A government order was also issued on Saturday, November 7.

The enhanced DA will be paid along with employees’ regular November 2026 salaries.

Which employees will benefit from the DA hike?

The decision covers regular state government employees and several other categories of eligible staff.

These include employees of aided educational and technical institutions, regular and full-time employees of urban local bodies, work-charged employees and personnel drawing salaries under University Grants Commission (UGC) pay scales.

The revision is expected to benefit a large section of the Uttar Pradesh workforce ahead of the festive season.

What happens to the DA arrears?

The revised DA rate will apply retrospectively from July 1, 2026. Consequently, employees will also be entitled to arrears for the period preceding the November salary payment.

The government has made provisions for the payment of the arrears for July to October 2026. These amounts will be credited to employees’ provident fund accounts, according to the reported payment arrangements.

The enhanced allowance for November will be reflected in the regular salary for that month.

The decision comes ahead of Diwali and will provide additional financial relief to eligible government employees in Uttar Pradesh.

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Himanta Sarma to approach court over threat to gherao home in Zubeen case

Assam Chief Minister Himanta Biswa Sarma said his government would approach the Supreme Court and Gauhati High Court over a threat to gherao his residence if two prime accused in the Zubeen Garg death case are granted bail.

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Assam Chief Minister Himanta Biswa Sarma on Friday said the state government would bring before the Supreme Court and Gauhati High Court a threat by a group to gherao his residence in connection with the Zubeen Garg death case.

Speaking to reporters, Sarma described the threat as a serious matter, saying it posed a danger to his family and could amount to a direct attempt to murder.

The development comes ahead of the Supreme Court hearing on November 30 of the bail petitions filed by Shyamkanu Mahanta and Siddhartha Sharma, the two prime accused in the case.

Why Himanta Sarma plans to approach the courts

Sarma said he had instructed the state government’s legal department to bring the matter to the notice of both the Supreme Court and Gauhati High Court.

The Chief Minister objected to the group threatening to target his residence rather than holding a protest near the Chief Minister’s Office.

He said those questioning the judicial process should approach the Supreme Court or the high court instead of targeting him. Sarma also maintained that the courts should be allowed to carry out their work.

According to him, attempts to question the judicial process in this manner could obstruct the path of justice.

What the group said about the bail pleas

The Zubeen Garg Nyay Samiti, led by Raijor Dal MLA Akhil Gogoi, had announced on Thursday that it would gherao the Chief Minister’s residence under certain circumstances.

The group said it would carry out the protest if Shyamkanu Mahanta and Siddhartha Sharma were granted bail or if the Assam government failed to mount an effective legal opposition to their bail pleas.

The Supreme Court is scheduled to hear the bail petitions of the two accused on November 30.

Bail granted to two accused in the case

The Gauhati High Court granted bail to singer Amritprava Mahanta, an accused in the Zubeen Garg death case, on October 9. She was granted bail against a bond of Rs 50,000 and two sureties of the same amount.

The high court has also granted bail to Sandipan Garg in the case.

Referring to the bail order concerning Amritprava Mahanta, Sarma said it mentioned that 160 witnesses had not named her during the court hearing, despite having done so during the investigation conducted by the Special Investigation Team (SIT).

Responding to questions over the development, Sarma said the witnesses should be questioned about the discrepancy rather than him.

What happened to Zubeen Garg?

Singer Zubeen Garg died in Singapore on September 19 last year while swimming in the sea.

Police in Singapore had said that no foul play was involved in his death. Garg had travelled to Singapore to attend the fourth edition of the North East India Festival (NEIF).

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