Chemical Pollution

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September 9, 2022 Highlights from a new report released by iFOREST
An old coal-fired power plant has been dumping vast quantities of ash out in the open for many years. (Image: Lundrim Aliu/ World Bank; CC BY-NC-ND 2.0)
August 27, 2022 Study looks at microplastic types in lakes of Ladakh
(Vinay Goel, Wikimedia Commons)
August 11, 2022 This could lead to water quality crisis reinforcing the need for basin-specific management strategies
Around the world, more than a fifth of nitrogen released by human activity ends up in aquatic ecosystems (Image: Wikimedia Commons)
July 14, 2022 The river is faced with the dual problem of flood plain encroachment and growing levels of water pollution
Illegal transverse check dams (Badhals) built on Ichamati near a village in Basirhat (Image: Prithviraj Nath @ TheWaterChronicles)
June 13, 2022 A CEEW study indicates that forecasting systems helped avert extremely severe air pollution episodes last winter.
(Image: Ville Miettinen, Wikimedia Commons)
May 25, 2022 A study develops a decision support tool to identify polluted river stretches
Ulhas river near Khandpe village (Image: Ganesh Dhamodkar, Wikimedia Commons)
Phytoremediation - using plants to degrade pollutants (heavy metals) from soil and water - Journal of Ecobiology
This article describes the technique of phytoremediation, which is increasingly being adopted wherein certain plants are used to adsorb or degrade the pollutants from soil and water Posted on 21 May, 2009 05:37 PM

This article published in the Journal of Ecobiology describes the technique of phytoremediation, which is increasingly being adopted wherein certain plants are used to adsorb or degrade the pollutants from soil and water.

Biosorption for heavy metals - research journal of chemistry and environment
This article discusses the several methods that have been devised for the treatment and removal of heavy metals from water over the last few years in India Posted on 21 May, 2009 05:22 PM

This article from the Research Journal Of Chemistry And Environment discusses the several

Determination of toxicity of paper mill effluents - Saharanpur (Uttar Pradesh) - A study by People's Science Institute
The study aims at determining the threshold toxicity level of paper mill effluent in the receiving water body Posted on 21 May, 2009 11:37 AM

This paper describes the study conducted by People's Science Institute that aimed at determining the threshold level of toxicity of a paper mill effluent, and the level of toxic

Heavily polluting industries identified by Ministry of Environment & Forests
Ministry of Environment & Forests identifies 64 types of large, medium and small-scale industries and classifies them as "Red Category" on the basis of the emissions or hazardous waste they generate Posted on 21 May, 2009 10:12 AM

This document by the Central Pollution and Control Board (CPCB) highlights the types of polluting industries classified by the Ministry of Environment & Forests, Go

Nitrate/nitrite toxicity - case studies in environmental medicine by agency for toxic substances and disease registry (ATSDR)
The case study discusses the problem of nitrate/nitrite toxicity and helps in promotion of medical practices that aid in evaluation and care of potentially exposed patients Posted on 19 May, 2009 11:07 AM

This manual is a self-instructional publication of the Agency for Toxic Substances and Disease Registry (ATSDR), as part of its case studies in environmental medicine series. 

Stakeholders come together to halt pollution in Khari river, Ahmedabad - a paper in Economic and Political Weekly (2006)
The paper describes the efforts made to reduce pollution in river Khari, Gujarat, contaminated due to discharge of industrial effluents Posted on 18 May, 2009 03:55 PM

This paper published in the Economic and Political Weekly describes the case of river Khari in Gujarat, which faced increasing amount of pollution due to the discharge of industrial effluents in the river and the efforts made  to solve the pollution problem.

The phenomenon of pollution started in the 1970s when Naroda, Odhav, Vatva and Narol on the eastern periphery of Ahmedabad city were promoted by the government. While there were zones for industries according to the type of waste generated, environmental considerations were overlooked and no provision was made for the safe disposal of industrial effluents. Most of the factories in the industrial estates were water intensive and all of them discharged effluents into the nearby Kharicut canal, which flows into the Khari river, a tributary of the Sabarmati. As the canal remained dry throughout the year, the government ignored its (mis)use.

Study of Tirupur textile industry cluster - effluent load, disposal practices and possible options
The study collects data on effluent load, studies current treatment and disposal practices and reviews the available technology options adopted for reduction of pollution Posted on 16 May, 2009 02:55 PM

The objectives of the case study by TIDE supported by Arghyam on the Tirupur textile industry cluster included:

New knowledge resources: Nitrates & cancer
Nitrate/Nitrite contamination is a potentially serious problem for India today, after flouride and arsenic. Posted on 19 Apr, 2009 02:02 PM

 ehplogo_header Nitrate/Nitrite contamination is a potentially serious problem for India today, after flouride and arsenic. This contamination occurs largely through the mixing of fertiliser run-off and sewage with water meant for human use. New research reveals that Nitrate/Nitrite contamination can cause severe human health problems including cancer. Below are two research papers from the Environment Health Perspectives (EHP) Journal, written in the context of the United States, that give an idea of Nitrate/Nitrite contamination and their impact on human health. Workgroup Report in the November 2005 issue: "Drinking Water Nitrate and Health - Recent Findings and Research Needs". Read the paper here: https://www.indiawaterportal.org/tt/dwm/res/Drinking_Water_Nitrate_and_Health_Nov%202005_EHP.pdf "A Review of Nitrates in Drinking Water: Maternal Exposure and Adverse Contents Reproductive and Developmental Outcomes", appeared in the March 2006 issue. Read the paper here: https://www.indiawaterportal.org/tt/dwm/res/A_Review_of_Nitrates_in_Drinking_Water_Mar_2006_EHP.pdf

"Mazhapolima"? : Participatory well recharge programme in Thrissur district, Kerala, part 2
Report of visit to the Mazhapolima , Rooftop Rainwater Harvesting-based Open Well Recharge program in Thrissur district, Kerala. Posted on 13 Apr, 2009 03:35 PM

The Mazhapolima program is quite unique; it aims to (eventually) recharge about 4.5 lakh dug wells in the district, and do this through community awareness and action. It's driven by the District Collector, Mr. Kurian Baby, who strongly advocates sustainable, local development & innovation.

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A Gram Panchayat (GP) in Kerala is fairly large, and has a population of approximately 20000 people, as compared to about 10000 in Karnataka, and about 700 in Uttar Pradesh. GP's have ward divisions, about 20 of them per GP. Each GP has a staff of at least 6-8 people. The GP that we visited - Adat, had about 12 employees , 4 lower division clerks, 3 upper division clerks, 1 Joint Secretary, 1 Secretary, 2 peons and 1 sweeper. Except for the peons and the sweeper, the employees are all usually SSLC-pass, but here in Adat they were mostly graduates. For salaries alone, the GP spends about Rs 1.5 lakhs per month. Adat GP executed 124 projects last year. The GP's annual budget was Rs 1.40 crores, not including NREGA funds. Out of this, Rs 40 lakhs was raised by the GP through property taxes etc. Most other parts of the country, GP budgets are only about 5 to 10 lakhs. The Adat GP office was a large 2 storeyed building. Mr Vijayan, the Joint Secretary proudly showed us their awards, which filled up an entire wall.

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