Heavy Metals
Order of the National Green Tribunal regarding pollution of Godavari river, Telangana, 29/05/2025
Order of the National Green Tribunal in the matter of News Item titled "Telangana: Deepening pollution crisis in Godawari threatens lives livelihoods appearing in the Telangana Today dated 13.05.2025" dated 29/05/2025. The application was registered suo-motu on the basis of the news item titled Telangana: Deepening pollution crisis in Godawari …Pollution Leaves Residents of Eloor Gasping for Breath
KOCHI: Eloor has been in the cusp of pollution for many decades. As much as 60 per cent of the municipality is occupied by industrial units, making environmental pollution a normal occurrence in the area. “There are 8,514 families living in Eloor municipality. Neither the government nor the local authorities …Heavy metals pollution influence the community structure of cyanobacteria in nutrient rich tropical estuary
Anthropogenic inputs influence the community structure and activities of microorganisms, which may impinge the functioning of estuarine and coastal ecosystem. The aim of the present study was to understand the influence of dissolved heavy metals (Cr, Mn, Fe, Ni, Cu and Zn) on community structure of cyanobacteria in a nutrient …Histopathological alterationsin muscle, liver and gill tissues of zebra fish Danio Rerio due to environmentally relevant concentrations of organochlorine pesticides (OCPs) and heavy metals
The study monitored the toxicity of environmentally relevant concentration of pesticides and metals in zebra fish Danio rerio. Zebra fish were exposed to environmentally relevant concentration of pesticides and metals for a period of 14 days. The individual and the combined toxicity of pesticides and metals were evaluated. The pesticides …CSE study shows e-waste recycling leading to heavy metal contamination in Moradabad
CSE study shows e-waste recycling leading to heavy metal contamination in Moradabad Moradabad gets 50 per cent of all PCBs used in India, and 90 tonnes of e-waste everyday CSE collected soil and water samples from five locations India does not have heavy metal contamination standards for soil Zinc levels …Judgement of the National Green Tribunal regarding pollution caused by Madras Aluminium Company Limited (MALCO),Salem, Tamil Nadu, 24/09/2015
Judgement of the National Green Tribunal (Southern Zone, Chennai) in the matter of T.S. Sekar On behalf of the general public of Thippampatti Kattuvalavu Konnur Post, Mettur Taluk, Salem District Vs Union of India & Others dated 24/09/2015 regarding pollution caused by Madras Aluminium Company Limited (MALCO),Salem, Tamil Nadu. The …Recommendations to address the issues of informal sector involved in e-waste handling: Moradabad, Uttar Pradesh
A study done by the Centre for Science and Research on Moradabad’s e-waste recycling industry has shown contamination due to heavy metals to be very high in and around the city. Moradabad is known for its e-waste recycling industry. The city is located on the banks of the Ramganga, an …Man has been polluting Earth since the Middle Palaeolithic: Heavy metal contamination caused by Neanderthal fires dates back at least 450,000 years
Heavy metal pollution, typically caused by mining and smelting, is a major threat to human health - but the problem is seemingly not new. Researchers have found the earliest signs of such man-made pollution in caves in Spain and Gibraltar that date from at least the Middle Palaeolithic. The evidence …Toxins in herbal medicines 'can harm our health'
People who take unregulated complementary medicines are at a higher risk of being contaminated by heavy metals, a medical scientist has warned. Research from the Cooperative Research Centre for Contamination Assessment and Remediation of the Environment (CRC CARE) reveals that certain complementary medicines, especially Ayurvedic treatments – an Indian traditional …Lead 80 times the safe limit found in water at Hong Kong public housing estate where scandal broke
Water with lead levels nearly 80 times World Health Organisation safety standards has been found at the Hong Kong public housing estate where the city’s tainted water scandal began, in the latest round of tests by a concern group. A water sample from Yan Ching House on Kowloon City’s Kai …Toxic Mercury in California Coastal Waters May be from Sea Lions and Elephant Seals
Mercury pollution in California may be coming from a surprising source: elephant seals. Scientists have found that molting elephant seals actually shed considerable amounts of mercury into coastal waters. Mercury is a major problem in the marine environment. The most toxic form of it, methyl mercury, is readily absorbed and …Mining and metals in a sustainable world 2050
A new report, Mining and Metals in a Sustainable World 2050, has been launched as part of the World Economic Forum's Industry Agenda publication. Few industries are more fundamental to global social and economic development than mining and metals. Important in itself, representing more than $2 trillion in revenue, it …Pipes welded with lead ‘may be responsible for Hong Kong water contamination scandal’
Narrow pipes installed with materials welded together with lead could be responsible for excessive levels of the heavy metal found in Hong Kong water, a member of the task force set up to investigate the scandal said. Dr Chan Hon-fai, chairman of the Advisory Committee on Water Resources and Quality …Trace element composition of PM2.5 and PM10 from Kolkata – a heavily polluted Indian metropolis
Elemental composition of PM2.5 and PM10 was measured from 16 locations in Greater Kolkata in Eastern India. Sampling was carried out in the winter months of 2013–2014. PM2.5 and PM10 mass concentrations ranged from 83–783 μg/m3 and 167–928 μg/m3 respectively. 20 elements were measured with an Agilent 7700 series ICP–MS …Dynamics and quantification of dissolved heavy metals in the Mahanadi river estuarine system, India
Dynamics of heavy metals such as Fe, Mn, Zn, Cr, Cu, Co, Ni, Pb, and Cd in surface water of Mahanadi River estuarine systems were studied taking 31 different stations and three different seasons. This study demonstrates that the elemental concentrations are extremely variable and most of them are higher …McArthur river pollution: Glencore yet to put up all warning signs a year after alert
Glencore has yet to finish erecting signs warning of contaminated river life near a Northern Territory mine more than a year after the miner and the state government became aware of elevated levels of heavy metals. Government documents have revealed inconsistencies in the information given to the public about potential …Endocrine-disrupting chemicals and oil and natural gas operations: Potential environmental contamination and recommendations to assess complex environmental mixtures
Hydraulic fracturing technologies, developed over the last 65 years, have only recently been combined with horizontal drilling to unlock oil and gas reserves previously deemed inaccessible. While these technologies have dramatically increased domestic oil and natural gas production, they have also raised concerns for the potential contamination of local water …American student wins 2015 Stockholm Junior Water Prize
Junior Water Prize on Tuesday night for inventing a filter through which toxic heavy metals from electronic waste can be removed from water. At the Grand Hotel in central Stockholm, Crown Princess Victoria of Sweden presented the prize to Perry Alagappan, who won out of the group of 29 finalists. …Acid mine drainage, a potential threat to fish fauna of Simsang River, Meghalaya
Acid mine drainage (AMD) is formed when water and air come in contact with pyrite (FeS2) present in coal and exposed rocks, to form sulphuric acid. The process of pyrite oxidation further leads to the formation of Fe3+ and some or all of this Fe3+ precipitates to cause red, orange …Metal-induced malformations in early Palaeozoic plankton are harbingers of mass extinction
Glacial episodes have been linked to Ordovician–Silurian extinction events, but cooling itself may not be solely responsible for these extinctions. Teratological (malformed) assemblages of fossil plankton that correlate precisely with the extinction events can help identify alternate drivers of extinction. Here we show that metal poisoning may have caused these …Use eco-friendly idols to protect environment
VISAKHAPATNAM: Urging people to use clay Vinayakas coloured with vegetable paints, the president of the Visakha Public Library S Vijay Kumar said that Plaster of Paris and chemical colours are harmful for the environment and should not be used. Launching a poster promoting use of clay Vinayakas at the Public …