Environmental Science

Order of the National Green Tribunal regarding deterioration of Nayar river, Uttarakhand, 05/06/2025

Order of the National Green Tribunal in the matter of In Re: News Item titled "Nayar river is vanishing - a yatra reveals conservation goes beyond science and policy" appearing in ‘The Down To Earth’ dated 03.06.2025. The original application was registered suo-motu based on the news item titled "Nayar …

Oiled penguins

A team of researchers from the us and New Zealand has found penguin chicks in the Antarctic covered in oil. It has completed an environmental survey of a former Antarctic research station at Cape Hallett and recommended steps to safeguard penguin chicks from melt pools contaminated with oil from an …

Australia invaded

Cane toads (Bufo marinus) introduced in Australia in the 1930s to control the sugarcane beetle are poised to invade the Australian Kakadu National Park, a world heritage site. The toads are poisonous to the native animals found in the region. They have spread across north-eastern Australia and could reach Kakadu …

Caged minks dream

Caged minks aren't a happy lot, suggests research conducted by zoologists at the University of Oxford, uk . Researchers suggest thee minks would rather be swimming. They studied minks kept in cages typical of the type used in mink farms and offered them extra resources, including a small pool, toys, …

Farming waste from batteries

An environmental technology group in the UK is developing what it believes could be the country's first profitable and environmentally friendly process for recovering valuable materials from domestic batteries. EA Technology Environmental Group will a 12-month programme to use hydrometallurgical techniques, involving the electrolysis of metals in solution, to recover …

Canon uses soil bacteria to make resin

Canon Inc. has developed the basic technology of using soil bacteria to manufacture a variety of functional plastics, including one that changes thickness when subject to an electric current and another that allows current to pass in only one direction.

Findings reflect known patterns

Jones, a professor at Lancaster University in Lancaster, England, and his colleagues say that a pat of butter could be an effective monitor for atmospheric pollutants. Their conclusions are reported in Environmental Science & Technology, a peer-reviewed journal of the American Chemical Society. Traditional pollution analysis uses specialized air sampling …

Environment, genes and mutations

Two institutions in the us are working to comprehend how contaminants, toxic chemicals and other environmental factors affect the human genome. The Environment Genome Project (egp), sponsored by the National Institute of Environmental Health Sciences (niehs) , based at North Carolina, us, is studying variations of certain types of genes …

Scientists urge farmers to grow wood substitute

Researchers at the University of Illinois are urging local farmers to grow a wood replacement crop on small portions of land in order to experiment with the substance and broaden understanding of how it can be used. The fibres of kenaf, a plant native to east-central Africa, can be used …

Environment-friendly anti-corrosion coating

Researchers at Daimler Chrysler have developed a new type of protective coating for ferrous metal parts which have to withstand the highly corrosive atmosphere of long sea-voyages and storage in high temperature, humid Customs warehouses of tropical countries.

New pollution tool: Toxic avengers with leaves

As scientists struggle to find cheaper, easier ways to clean up polluted soil and groundwater, they are increasingly wielding a novel tool: plants. Hundreds of species of plants, together with the fungi and bacteria that infuse the rhizosphere, the ecosystem around roots, represent the botanical equivalent of detox centers, seeking …

New pollution tool: Toxic avengers with leaves

As scientists struggle to find cheaper, easier ways to clean up polluted soil and groundwater, they are increasingly wielding a novel tool: plants. Hundreds of species of plants, together with the fungi and bacteria that infuse the rhizosphere, the ecosystem around roots, represent the botanical equivalent of detox centers, seeking …

Measurement of toxic substances refined

Shimadzu Corp. is among a growing number of companies and research organizations honing their ability to detect minute amounts of endocrine disrupters and other toxic substances contaminating the environment. The precision equipment manufacturer claims the new equipment can measure the density of bisphenol A, a suspected hormone disrupter which has …

Articles of contention

The Kyoto Protocol obliges industrialised countries to cut their overall greenhouse gas emissions by at least 5 per cent below 1990 levels in the period 2008-2012. Several provisions are laid out to achieve these reductions.Article 3.3 of the protocol allows countries to get credits for reducing carbon dioxide concentrations through …

Frog leap to oblivion

the frogs aren't leaping in the us anymore; they have been overfed on a cocktail of pesticides. Scientists at the us Geological Survey and us Department of Agriculture say the use of organophosphorus pesticides has led to a fall in amphibian populations breeding in mountain ponds and streams in California, …

Meltdown!

ice in the Pine Island Glacier, which lies in the Antarctic Ice sheet is melting and raising the sea level. This is the first evidence of glacial melting raising the sea levels. "In terms of ice discharge, this is nothing like anyone has seen before,' says Andrew Shepherd, researcher at …

A very heavy metal load

the Chloralkali industry in Tamil Nadu is spewing out effluent into the Gulf of Mannar and Palk Bay. The waters in the region have consequently been contaminated with lead, cadmium and mercury. Researchers at the Offshore Platform and Marine Electrochemistry Centre at the Central Electrochemical Research Institute in Tuticorin, Tamil …

Catching the infant terrible

A decrease in rainfall over the Indian Ocean may give the world the earliest signal of an impeding strong El Ni

Pluck the dirt out

A solvent developed at the University of Alabama, usa , can snatch pollutants dissolved in water. The solvent can be tuned to snatch specific elements from water. The choosy solvent is one of a unique group of salts called ionic liquids, made up of electrically charged ions. The solvent may …

Arsenic killer

A common fern, known as the brake fern (Pteris vittata), endemic to California, usa, has been found to soak up extraordinary amounts of arsenic without any ill effects to itself. This may offer a natural way of cleaning up polluted soil and water, according to a us-based study. The fern …

Reed-bed technology to waste water treatment

Growth of reed in gravel in the form of wetlands or in the hydrophonic state provides us eco friendly modes which use 'nature to protect nature' as the reed plants with an extensive network of rhizomes and the naturally occuring bacteria associated with their root structure help in breaking down …

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