Chennai

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Shaping river policies with updated environmental flow methods
Policy matters this fortnight Posted on 01 May, 2024 09:30 AM

CWRDM to formulate implementing a revised approach to environmental flow calculations

Water necessary to maintain the ecological integrity of rivers (Image: pickpik)
Sustainability lessons from an all-women’s team in Chennai
India’s first all-women waste management team from Chennai, through their unwavering commitment and dedication, are consistently achieving 90%-96% source segregation in their Zone. Posted on 11 Mar, 2023 05:37 PM

Women are recognized for their contributions in various spheres during International Women's Day. Nonetheless, it is crucial to acknowledge the overlooked unsung heroes. Among them are the women conservancy and waste management workers who work tirelessly every day to keep our cities clean.

Women shaping the zero-waste cities of India (Image: ReSL)
India now has 49 Ramsar sites, highest in South Asia
News this fortnight Posted on 16 Feb, 2022 08:03 AM

Ramsar has designated two more wetlands in India, bringing the total to 49

A wetland supports life in myriad forms (Image source: IWP Flickr photos)
NGT stricter with Delhi, Haryana on restoring Najafgarh Jheel
Policy matters this fortnight Posted on 01 Feb, 2022 02:49 PM

Enforce Najafgarh jheel restoration plan: NGT to Delhi, Haryana governments

Aerial view of the Najafgarh drain. (Image: Sumita Roy Dutta, Wikimedia Commons; CC BY-SA 4.0)
Study calls for securing water sustainability in Chennai
Best practices for holistic urban water management in Chennai Metropolitan Area Posted on 01 Sep, 2021 01:43 PM

Water stress has specifically magnified for metropolitan cities like Bengaluru, Chennai, Delhi, Kolkata, Pune, etc.

These bright plastic jugs are ubiquitous in Chennai and Tamil Nadu. (Image: McKay Savage, Flickr Commons; CC BY 2.0)
Data ecosystem in smart cities
Implications for technology based interventions during the pandemic: Lessons from India Posted on 10 Jul, 2021 11:17 AM

Disease control is a long-standing consideration in building smart city architecture, while humanitarian actions are increasingly digitised. However, there are competing city visions being employed in the COVID-19 response.

National data policies need to promote standardisation and encourage local innovation (Image: Wikimedia Commons; CC BY-SA 3.0 DE)
Pollution levels rising post-lockdown in cities in south India
How clean air gains of the lockdown and monsoon periods have been now lost with the reopening of the economy and with the onset of the winter. Posted on 08 Feb, 2021 11:23 AM

An analysis was done by the Centre for Science and Environment (CSE) of winter pollution (until January 26, 2021) in India’s five southern states - a vulnerable but poorly monitored region from the air quality perspective.

Air quality management requires regional approach to implement clean air action plans, says CSE (Image: Pixy)
Should we bet more on historians than engineers to sort flooding?
How the historian's method is invaluable in developing an understanding of floods. Posted on 04 Jan, 2021 12:00 AM

Raging floods swarming great expanses have been a common occurrence in the 21st century in South Asia.

Need to consider the perspective of the historians who see floods as a naturally occurring event. (Image: Wikimedia Commons)
Challenges to India’s urban water security and future growth patterns
Water resources in most Indian cities are overworked and overused, and not adequately replenished. Posted on 29 Dec, 2020 12:10 PM

Linkages between water security and socio-economic growth

Cities in India are marked by unequal distribution of water, lack of access, outdated infrastructure and minimal enforcement of rainwater harvesting and other means of supply. (Image: Anish Roy, Pixabay)
Reviving traditional tanks to control floods in Chennai
A study finds that desilting and reviving traditional tanks in Chennai can greatly help in mitigating the impacts of frequent floods in the city. Posted on 01 Dec, 2020 04:11 PM

Climate change is leading to rise in extreme events world over, and developing countries such as India have been experiencing not only higher death rates but also greater economic impacts due to natural hazards.

A small tank near Thalambedu in Kanchipuram (Image Source: India Water Portal)
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