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 …

An effective role of aquatic macrophytes for the reduction of some heavy metals from the sewage water

Several aquatic macrophytes were evaluated for their metal accumulation potentials from sewage water of four sites of Ayodhya and Faizabad under laboratory conditions.

For a clean ganga

Certain plants absorb pollutants from wastewater for their metabolism. A team from the National Botanical Research Institute in Lucknow, planned a plant-based project to clean the Ganga. U N Rai, environment scientist who heads the team, speaks to Savvy Soumya Misra On how the project began With the help of …

Home truths

Most popular paints in India contain high quantities of lead, a toxin especially dangerous to children. The Centre for Science and Environment

Heavy metal pollution found in Vembanad

A study carried out by the Centre for Earth Science Studies (CESS) has reported heavy metal pollution in Vembanad Lake and the rivers emptying into it. The Vembanad wetland system is straddles Alappuzha, Kottayam and Ernakulam districts. It lies at sea level, and is separated from the Arabian Sea by …

Ban on scrap imports revoked

Dilip Kumar Jha / Mumbai September 02, 2009, 0:31 IST In a move to ease the supply of secondary non-ferrous metals, the government has revoked the month-long ban on scrap imports. The decision will help in clearing about 1,000 containers clogging ports without any customs official

Home truths

Modern houses are suffused with harmful chemicals. One of them is lead, present in paints. It is banned in several countries but not in India. The Centre for Science and Environment tested popular paints in India for lead content. It found 72 per cent of the samples had lead much …

Environmental and human health risks associated with the end-of-Life treatment of electrical and electronic equipment

This review aims to summarize the existing knowledge on the environmental and occupational health risks of waste electrical and electronic equipment (WEEE) recycling and other end-of-life options. Hazardous substances present in WEEE, including heavy metals (e.g., mercury, cadmium, lead, etc.), flame retardants (e.g., pentabromophenol, polybrominated diphenyl ethers (PBDEs), tetrabromobisphenol-A (TBBPA), …

Metal cations present in drinking water samples in and around Rangia town, District Kamrup, Assam

The study aims at the assessment of drinking water quality in terms of some metal cations in and around Rangia town at different distances from the Rangia college. The results obtained were compared with drinking water standards (WHO, 2004 and BIS). Analysis of results showed high content of some metal …

Water quality assessmenty: Five stations of river Damodar and one station of river Nalkari of South Karanpura coalfield

Studies on physico-chemical parameters of underground mine water, OCP direct discharge water and sump water of Urimari, Sayal 'D' Block, Khas Karanpura area and Bhurkunda area of South Karanpura Coalfield of Central Coalfields Limited, a subsidiary of Coal India Limited were carried out in 2004-05 and 2005-06 in all the …

No longer in the pink

The surroundings are horribly unnerving even for a species dismissively called 'lesser flamingo': a five-acre mudflat surrounded by a crumbling old port, a ship breaking yard, two oil refineries, a fertilizer plant, and a sprawling slum. But this is where the glorious birds take their six-month sojourn every year starting …

Metal phytoremediation potential of Rhizophora mucronata (Lam.)

The present study consist the absorption, accumulation and partitioning of eight metals in order to find out the phytoremediation potential of the mangrove species Rhizophora mucronata (Lam.) in Alibag, Maharashtra, India. The concentrations of Cu, Cd, Ni, Mn, Cr, Zn, Fe and Pb in the sediments of the mangrove area …

Assessment of water quality in an area receiving effluent discharge from a textile mill

This study has been undertaken to assess the impact of effluents released by the APOL (Assam Polyester Co-operative Society Limited), textile mill Rangia in the district of Kamrup, Assam on the quality of drinking water in the neighbouring areas. The effluent of the mill is discharged into the agricultural land …

Cadmium flows caused by the worldwide production of primary zinc metal

Material flows of the economic cycle can contain toxic substances, which enter the economy as impurities in raw materials or are intentionally added as minor or even main constituents during the manufacture of industrial or consumer goods. Cadmium, predominantly associated with zinc minerals, is a by-product of the primary zinc …

Death by virtual world

Documentary>>Citizens at Risk, How Electronic Waste is Poisoning the Path out of Poverty for India

The hookah the Indian waterpipe

The hookah, a waterpipe, originated in India and became popular for smoking tobacco. It spread elsewhere and acquired other names like nargile, shisha, goza and hubble-bubble, before its popularity declined in India. A resurgence of hookah smoking is occurring in India and around the world, and is being promoted as …

Heavy metals in diet may have cost hippo dear

MUMBAI: The seven-year-old hippopotamus that died at the Byculla zoo last week may have consumed heavy metals either through water or fodder over a long period of time. Following this alarming finding, doctors at the Bombay Veterinary College (BVC) on Tuesday swung into action to conduct separate pathological tests of …

Effect of acidification in water samples before and after filtration: a caution for hydro-geochemical studies

In geochemical studies of water it is a general practice to filter the water samples through a 0.45 ?m membrane. Filtered samples are then acidified with a mineral acid (mostly nitric acid) to a pH < 2, to stabilize various cations. It was observed that if this procedure is not …

Uranium poisoning: Punjab orders probe

Chandigarh: Punjab government ordered a probe into the abnormalities among children in a pocket of Faridkot due to alarming levels of uranium on Thursday. The move comes after TOI

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