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 …

Loss of wolves changes Canadian ecosystem

The loss of once-plentiful wolves in a part of Canada's west allowed the elk population to mushroom, pushing out beavers and songbirds and showing the importance of top predators, Canadian researchers said. Although scientists have long noted that the loss of even one species can have profound effects, the report …

Green catalyst destroys pervasive wastewater pollutants

A new catalyst has been created to destroy nitrophenols, some of the most pervasive and toxic pollutants in wastewater discharges. The catalyst was developed by scientists at Carnegie Mellon University in Pittsburgh who say it can rapidly destroy the chemicals in an environmentally friendly manner. Nitrophenols are man-made pollutants that …

Warming making hurricanes stronger, study says

Is global warming making hurricanes more ferocious? New research suggests the answer is yes. Scientists call the findings both surprising and "alarming" because they suggest global warming is influencing storms now -- rather than in the distant future. However, the research doesn't suggest global warming is generating more hurricanes and …

Czech Republic is ready to offer India expertise on environment technologies

The Czech Republic is ready to offer technological expertise in the areas of bio-waste management, solid waste management and sewage treatment

Tall claim

a recent report of the us government claims that a programme has been remarkably successful in reducing summertime emissions of nitrogen oxides (nox)

The unsettling soundtrack to modern life

Noise pollution is a growing nuisance but technology is only just beginning to address the problem.

A relation not to be ignored

an international study has identified north India as one of four hotspots worldwide where rainfall seems to be directly linked to the amount of moisture in the soil. The finding of the ongoing Global Land-Atmosphere Coupling Experiment (glace) comes at the time when India is contemplating to improve its region-wise …

Smoke chemical that causes seed germination found

Australian scientists have identified the chemical in smoke that makes plant seeds germinate after bushfires, a discovery that could reap huge benefits for the agricultural sector. A team of Australian scientists has become the world's first research team to pinpoint the previously unknown chemical, called a butenolide, which induces germination …

Food and drink groups act on gases

Coca-Cola Unilever and McDonand's joined forces to promote the phasing out of environmentally damaging cooling technologies. The initiative was supported by the UN and Greenpeace. The groups used a joint press conference in Brussels to under line a commitment to phase out hydrofluorocarbons, the greenhouse gases used in refrigeration equipment.

Human hair can remove oil from water

Waste human hair has found a new use that can potentially make barbers rich. A team of chemical engineers at Dharmsinh Desai Institute of Technology in Nadiad has found that human hair is an excellent medium for separating oil from water. Industries currently spend a lot of money on chemical …

Cotton clothes that clean themselves

Scientists have now invented an efficient way to coat cotton cloth with tiny particles of titanium dioxide to prevent them from wearing out. The researchers, Walid Daoud and John Xin from the Hong Kong Polytechnic University, Kowloon, used the catalysts that help to break down carbon-based molecules, and require only …

Hair have role in pollution control: Researchers

According to a team of chemical engineers in Vadodara, Gujarat, human hair can efficiently separate oil from water. And industries can use the research to separate oil from factory effluents. Researchers including Professor Z V P Murthy and two undergraduate students Gautam Kaushik and Ritesh Suratwala, who made a research …

No one spared

A recent study links exposure to lawn pesticides with bladder cancer in Scottish terriers. Researchers from US-based Purdue University surveyed 83 dogs suffering from the cancer. "As pets tend to spend a fair amount of time in lawns treated with herbicides and insecticides, we checked whether the chemicals were having …

Leaf economics

each plant, like an entrepreneur, has an economic strategy for subsistence. Some plants live like the proverbial hare, following a live fast, die young strategy. Their leaves produce and consume energy quickly, making them more susceptible to weather changes or pest attacks. Other plants are tortoise-like, taking a live slowly …

Sooty air pollution is linked to inherited genetic mutations, Canadian research finds

Sooty air pollution can cause genetic damage that can be passed along to offspring, Canadian researchers reported in a study on mice. Follow-up work is needed to learn if people can inherit pollution-damaged DNA that harms their health. In the meantime, the discovery is sure to increase scientists' worry about …

Simple model

though seasonal water availability is imperative for any country, not enough information is available to appropriately budget river water in India. This is due to the dearth of data on the factors associated with hydrology, and absence of a feasible framework to put these variables in perspective. Researchers of Goa-based …

Tar balls

an international team of scientists has found new carbon-bearing particles in the lower atmosphere over Hungary, Indian Ocean and southern Africa. The team, headed by Mih

Polluting `tar balls`

Carbon-bearing particles, called 'tar balls' have been found to pollute air over Hungary, Indian Ocean and southern Africa by an international team of scientists. Forming in smoke from wood fires and agricultural and forest burning, tar balls in the lower atmosphere are a concern, trhey say. The team, report their …

Whole lot of trouble

with the upper ranges of the Arctic atmosphere getting colder

Terminal retreat

function glacier() { var popurl="html/20040331_glacier.htm" winpops=window.open(popurl,"","width=350,height=400,scrollbars=yes") } even as the Indian scientific community continues to haggle over the extent of global warming impact on the Himalayan ice-fields, a study indicates that four glaciers of the Baspa basin of Himachal Pradesh face terminal retreat. In other words they may dry up. …

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