Contamination, Pollution and Quality

  • Srinagar's prime tourist attraction, Dal Lake, is no more the scenic beauty it used to be. It's turning into an eyesore, thanks to sewage discharge and weed growth. A paper titled Water Quality assessments of Dal Lake, Jammu & Kashmir published in the International Journal of Scientific And Engi...
    arathiposted 6 days 8 hours agoread more
  • Ahead of monsoon, workers made to clean stormwater drains filled with sewage in Hyderabad Despite the ban on manual scavenging, sanitation workers are made to clean sewage-filled stormwater drains across Hyderabad as part of the city’s monsoon preparedness drive. Workers enter stormwater drains s...
    seetha@indiawat...posted 1 week 1 day agoread more
  • Centre submits draft scheme on Cauvery river water sharing to the Supreme Court The Central government has submitted a draft scheme for managing Cauvery water in the Supreme Court. Stating that the authority would be a body corporate headquartered in Bengaluru, the Centre said it had no restri...
    seetha@indiawat...posted 1 week 1 day agoread more
  • A group of scientists and students are braving the heat and dust this summer in the national capital to map all possible sources of air pollution, so that by winter this year, we can get a fair idea of different sources of pollution in the city. Ground level data about emissions from as many as 26 ...
    arathiposted 1 week 6 days agoread more
  • Farhanuddin was just five years old when a pain in his knee began bothering him. It was 2013. Slowly, his legs began to change shape. They got so badly deformed that it began to affect his everyday life. He was gloomy and tired most times and had trouble walking. His parents thought that lengra bhoo...
    Amita Bhaduriposted 2 weeks 12 hours agoread more
  • India’s sanitation crisis involves huge cost. Transforming the country’s sanitation and waste management by 2019 is tall order. “Swachh Bharat Mission, the most ambitious cleanliness campaign in Indian history could well be the most expensive failure in recent times,” says Naina Lal Kidwai, ...
    Amita Bhaduriposted 2 weeks 3 days agoread more
  • Earthworms are considered best friends of farmers, acting as engineers in soils. They are helpful in the decomposition of waste, producing biofertilisers. Indian scientists have investigated the gut of earthworms to get an insight into why they are so efficient in helping decomposition. They have f...
    arathiposted 2 weeks 6 days agoread more
  • Nanotechnology deals with particles that are several thousand times smaller than the human hair, and it is being put to use in a variety of applications such as drug delivery and diagnostic tests.  A group of Indian researchers has now developed a simple technique for deriving nanoparticl...
    arathiposted 2 weeks 6 days agoread more
  • Gopal Nishad, a fisherman in his early 40s, is frustrated that there is hardly any fish left in the Mahanadi’s basin at Pitaibandh due to the lack of water in the basin. This basin is located near Rajim-Nawapara in Chhattisgarh, the proposed site for the fourth anicut on the Mahanadi. He reminisce...
    makarandpurohitposted 3 weeks 6 days agoread more
  • A radical new method is fast emerging as an effective and sustainable solution to increasing pollution in urban lakes. Called floating treatment wetlands (FTW), they are artificial islands with plants that stay afloat on the lake. The plants clean the lake through hydroponics system, resulting in a ...
    arathiposted 1 month 6 days agoread more
  • In a significant input for the growing debate on global climate change, a study by researchers at the Dehradun-based Wadia Institute of Himalayan Geology (WIHG) has found that there is a remarkable increase in the concentration of black carbon in the atmosphere near the pilgrim town of Gangotri in U...
    arathiposted 1 month 1 week agoread more
  • Fluorosis continues to be a regional issue in Telangana to this day, even decades after the first cases were discovered in Nalgonda in 1937. More than three lakh people in the district are affected with skeletal and dental fluorosis, a stigma that has stuck for generations. Excessive fluor...
    Amita Bhaduriposted 1 month 1 week agoread more
  • In 2010, nine-year-old Kailash from Miyati village, Jhabua developed symptoms of skeletal fluorosis. Fluorosis, which affects millions of people in India, is a health issue caused due to high fluoride content in drinking water. Skeletal fluorosis is marked by deformed bones. It affected all aspects ...
    Amita Bhaduriposted 1 month 1 week agoread more
  • Korba in Chhattisgarh is an industrial area which has a significant number of coal mines and thermal power plants. Fly ash is a byproduct of the thermal power plants and has become a significant problem for the residents of Korba now. More than one lakh metric tonnes of fly ash is generated annually...
    makarandpurohitposted 1 month 1 week agoread more
  • Treatment of wastewater containing industrial dyes and toxic heavy metals is a major environmental problem as available treatment techniques are not very efficient and environment-friendly. Now a team of Indian scientists has developed a nanomaterial drawn from seaweed for effective treatment of tox...
    arathiposted 1 month 2 weeks agoread more
  • A recent BBC report projected that Bengaluru will run out of water soon. Yes, it was a superficial list of cities that already have water problem. It just pronounced the harsh verdict without any in-depth analysis of the factors involved. That’s like taking a casual look at an emaciated man and s...
    priyadposted 1 month 2 weeks agoread more
  • West Bengal’s tryst with dengue in 2017 could not have been more deadly. Around 13000 people were affected and nearly 100 people lost their lives to the disease. Among the worst hit was the South 24 Parganas district with every household having at least one person down with the mosquito-borne dise...
    arathiposted 1 month 2 weeks agoread more
  • Faecal coliform contamination found to be significantly higher in rivers around holy sites Data from the Central Pollution Control Board shows that river stretches around holy sites are relatively more polluted than elsewhere, with significantly higher levels of faecal coliform contamination. The T...
    seetha@indiawat...posted 1 month 2 weeks agoread more
  • Sir/Madam, What are the remedies or improved methods to prevent ground water contamination near areas of domestic disposal sites within city limits. All nearby people in the area are affected by this. Thank you
    Anonymous (not verified)posted 1 month 3 weeks agoread more
  • The GFES initiative aims to support the collaboration between users and researchers in the earlier stages of water science and promote the assimilation of local knowledge and users experiences into research design to develop ideas for future India-UK water research. GFES will take the...
    priyadposted 1 month 3 weeks agoread more

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Years of indiscriminate dumping of sewage turns Kashmir’s beautiful Dal Lake into an eyesore.

Srinagar's prime tourist attraction, Dal Lake, is no more the scenic beauty it used to be. It's turning into an eyesore, thanks to sewage discharge and weed growth. A paper titled Water Quality assessments of Dal Lake, Jammu & Kashmir published in the International Journal of Scientific And Engineering Research in December 2017 (PDF of the report attached below) reveals that 1,200 houseboats alone dump about 9,000 metric tonnes of waste into the lake in a year.

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Ahead of monsoon, workers made to clean stormwater drains filled with sewage in Hyderabad

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Policy matters this week

Centre submits draft scheme on Cauvery river water sharing to the Supreme Court

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Scientists and students come together to map air pollution sources in the capital.

A group of scientists and students are braving the heat and dust this summer in the national capital to map all possible sources of air pollution, so that by winter this year, we can get a fair idea of different sources of pollution in the city.

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Safer water and better nutrition were key in mitigating fluorosis problem in parts of the state.

Farhanuddin was just five years old when a pain in his knee began bothering him. It was 2013. Slowly, his legs began to change shape. They got so badly deformed that it began to affect his everyday life. He was gloomy and tired most times and had trouble walking. His parents thought that lengra bhoot or evil spirit was tormenting them like hundreds of others who were becoming crippled in the village of Tapatjuri in Nagaon district in Assam. Little Farhan could barely eat, wash or take a stroll without assistance.

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Swachh Bharat Mission: Could the most ambitious cleanliness campaign in Indian history also be the most expensive failure?

India’s sanitation crisis involves huge cost. Transforming the country’s sanitation and waste management by 2019 is tall order. “Swachh Bharat Mission, the most ambitious cleanliness campaign in Indian history could well be the most expensive failure in recent times,” says Naina Lal Kidwai, CEO of FICCI and the Chair of India Sanitation Coalition, a platform for partnerships to work towards achieving sustainable sanitation for India. 

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Earthworm gut may offer new ways of efficient recycling of organic waste.

Earthworms are considered best friends of farmers, acting as engineers in soils. They are helpful in the decomposition of waste, producing biofertilisers.

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Super tiny particles derived from table sugar can detect lead in water which is harmful for human consumption.

Nanotechnology deals with particles that are several thousand times smaller than the human hair, and it is being put to use in a variety of applications such as drug delivery and diagnostic tests. 

A group of Indian researchers has now developed a simple technique for deriving nanoparticles from table sugar and have shown that these particles can be used as sensors for detecting lead in water. 

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While the three anicuts on the Mahanadi are hampering its free flow, another one is being planned by the government.

Gopal Nishad, a fisherman in his early 40s, is frustrated that there is hardly any fish left in the Mahanadi’s basin at Pitaibandh due to the lack of water in the basin. This basin is located near Rajim-Nawapara in Chhattisgarh, the proposed site for the fourth anicut on the Mahanadi. He reminisces the good old days when he, along with his brother, used to catch plenty of fish from the Mahanadi. 

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Neknampur lake serves as a fitting example of how low cost but effective natural techniques can be used to clean city lakes that are choking with pollutants.

A radical new method is fast emerging as an effective and sustainable solution to increasing pollution in urban lakes. Called floating treatment wetlands (FTW), they are artificial islands with plants that stay afloat on the lake. The plants clean the lake through hydroponics system, resulting in a cleaner, beautiful lake and an improved habitat for creatures that depend on it. We have already heard of this being successfully implemented in Hauz Khas lake in Delhi.

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