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 …

Colouring plants

few realise that behind the colourful contemporary folk art of Mithila paintings is a powerful message of conservation and an indication of the region's rich biodiversity. Traditionally done in the Madhubani region of north Bihar, the paintings were originally made by women as

Sounding out mussels

Low-frequency radio waves could someday be used instead of chemicals to control zebra mussels, which cause millions of dollars in damage by clogging water intake pipes at power plants and other installations in the US, say researchers based in the US. Zebra mussels in an aquarium that were exposed to …

Corn against mercury

The carbon-injection process for removing mercury emissions from coal-fired power plants has been successfully completed at the University of Illinois Abbott Power Plant, in the US. The technology demonstration trials tested a commercial activated carbon and a corn-derived activated carbon developed by researchers at the Illinois State Geological Survey (ISGS) …

Done to death

overfishing in the past is largely responsible for the recent collapse of coastal ecosystems around North America and Australia, is the conclusion reached by a team of 18 scientists that has sifted through large volumes of geological, archaeological, historical and ecological data. Global climate change, pollution and the invasion of …

Mercury laced food

intense cold, sea spray and long dark winters are stripping toxic mercury from the atmosphere and pushing it into the fragile Arctic food chain where it is accumulating, new research suggests. The sudden burst of sunlight after long polar winters drives chemicals in sea salt to react with normally inert …

Butterflies slip off

neither agricultural plantations nor selectively logged areas can provide for forest butterfly species, prove results of two recent research undertaken in the Western Ghat region of India. These new findings show that many of the butterfly species in the region, particularly those adapted to living inside rainforest habitats, are prone …

Universally changing

it is one of the unwritten assumptions of physics that the laws of nature are the same not only in all parts of the Universe but also at all times. This assumption is what allows us to say meaningful things about very distant realms of our Universe and also about …

Once lost is lost

Wetlands lost to agriculture can be reclaimed with relative ease, but they will not regain their former flora and fauna without a huge effort, according to research conducted at the University of Minnesota, in the US. Susan Galatowitsch, associate professor and a colleague found that restored prairie potholes were quickly …

Weedy resistance

Genetic traits passed from crops to their weedy relatives can persist for at least six generation, and probably much longer, according to an Ohio State University, USA, study conducted with radishes. This means genetic traits that are developed in crops, such as resistance to insect pests, can become a permanent …

Mosquitos to roam as tigers

Vanishing coastlines may not be the only peril in a warming world; disease-carrying Asian tiger mosquitoes may find the hotter temperatures more to their liking and may show up in places they've never been seen before, according to new research. "Our research shows that, like many mosquitoes, this species breeds …

With a taste for metals

new crops that help constrain industrial contamination could be a part of the future ways of controlling pollution. The genes that allow plants to accumulate large amounts of metal in their tissues have been identified and cloned at Purdue University, usa . The finding is expected to lead to new …

Heat traps

black carbon aerosol pollution, produced by humans, can impact global climate as well as seasonal cycles of rainfall shows new research based upon satellite data and a multi-national field experiment. Aerosols that contain black carbon both absorb and reflect incoming sunlight, therefore they can exert a regional cooling influence on …

Parking poison

there is a relation between coal plant emissions and toxic levels of mercury in the air, shows new research conducted by researchers at Rensselaer Polytechnic Institute, usa. The study shows that the level of mercury in sediment at the bottom of New York's Central Park Lake is at least 10 …

Trouble in frying pan

Over heating oil in a frying pan may have more serious consequences than just a spoilt meal, suggests research conducted in Canada on chemicals used in non-stick frying pans. Heat breaks down some of the compounds used to persistent and potentially toxic chemicals whose long-term environmental effects are unknown, say …

Water cooled

Water minimises the climatic effects of a cooler or warmer sun suggests Hsien-Wang Ou, researcher at the Lamont-Doherty Earth Observatory in Palisades, USA. The Sun has got about 30 per cent hotter since the world began. Geological imprints of global temperatures from four billion years ago suggest that at that …

Early destruction

Ancient humans started destroying the abundance of the seas by slaughtering numerous species of animals, changing a delicate balance that was tipped further by excesses of the modern age, a recent study finds. Effects of the environmental damage caused by the disappearance of key species, such as sea turtles in …

El Ni o hindered

the latest sea surface temperature ( sst) data from the us and French topex / Poseidon satellite shows that, while La Ni

Searing heat

overwhelming odds point to global average temperatures rising approximately by 2-4

Sink or elevator?

while huge concessions have been given to the umbrella group countries under the Kyoto protocol for using forests as carbon sinks to meet their targets, latest research shows that planting forests to curb global warming could backfire. Planting trees across the snow-covered swathes of Siberia and North America will heat …

Lethal consumption

two microorganisms that break down benzene without the aid of oxygen have been isolated by scientists at Southern Illinois University ( siuc ), Carbondale, usa. This could be an important breakthrough that could help remove the highly toxic chemical from the environment. Benzene, used as an additive in petrol and …

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