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 …

Air pollution linked to hardening of arteries

US researchers said long term exposure ot air pollution may lead to atherosclerosos, in which fatty deposits cause artery walls to thicken and harden, Researchers writing in Environmental Health Perspectives said the finding adds to the growing body of evidence linking air pollution with cardiovascular disease and provides the first …

Air pollution can lead to cardiovascular diseases

A new study published in the latest issue of Environmental Health Perspectives has revealed that long-term exposure to air pollution may lead to the development of atherosclerosis.Atherosclerosis is a form of cardiovascular disease in which fatty deposits cause artery walls to thicken and harden.The study adds to the growing body …

Huge Antarctic ice blocks sliding into the sea: Study

Vast ice blocks are slowly collapsing into the sea off Antarctica, increasing the threat from the rising level of the world's oceans, British scientists said. Their discovery that the West Antarctic ice sheet is unstable overturns the previous international consensus that it would take 1,000 years for the floating ice …

Heavy metals, light target

researchers from the University of Calcutta and the National Bureau of Soil Survey and Land Use Planning have found high levels of toxic heavy metals in an aquatic plant species in Tiljala wetlands on the eastern fringes of Kolkata. "A rise in the levels of heavy metals has caused genetic …

`Air pollution may lead to many a chronic ailment

Polluted air is a major environmental health problem and its effects on people are very complex. There are many different sources of pollution and their individual effects vary. Studies across the world have shown that the pollutants cause serious health problems especially in children. From breathing problems and asthma to …

Now, plastic bags made from orange peels and CO2!

A team of researchers from the Cornell University hope to kill two birds with one stone after they have developed a plastic bag which is made out of orange peels and CO2, which makes it both biodegradable and renewable at the same time. In their study, which has been published …

Links between pollutants and cancers highlighted again

The links between environmental pollutants and the growth of cancers has been highlighted again in two separate studies. One of these showed a high correlation between atmospheric pollutants and childhood cancer, while another highlights a link between pesticides, particularly weedkillers, and prostate cancer. George Knox, emeritus professor of epidemiology at …

What s eating the grasslands?

new research has now challenged the theory that the Tibetan plateau

Troubled waters

most studies on phosphorus, a pollutant found in many waterbodies, have focused on its

Clove good to clean water

Two scientists from the National Environment Engineering Research Institute (NEERI), Nagpur have proved that clove oil has a strong antibacterial agent that can transform unclean, foul smelling and alkaline well water into clean and sweet water with "favourable mineral qualities." The discovery made by Hemant J Purohit and Manisha Kulkarni …

Wonder Greenhouse

At a time when the worse drought in 60 years is drying out entire areas in Spain, scientists from three European countries are building a greenhouse that can function with almost no external water supply. The trick: extreme heat and a hermetically sealed building cause the condensation cycle to work …

Tree planting could ease global warming, california scientists say

As scientists sounded alarms about global warming at an international forum in Argentina this week, local research scientists announced that the solution may be as simple as planting trees. Planting trees on marginal agricultural land could trap significant amounts of carbon dioxide, a so-called greenhouse gas that contributes to global …

Plateau moving north-east

The Qinghai-Tibet plateau, dubbed ''the roof of the world'', is moving north-east at seven to 30 millimetres a year, a Chinese researcher has announced. ''The plateau is moving because it's being pushed by the Indian plate,'' said Dr. Tan Kai, a researcher with China Seismological Bureau who is collecting data …

Plant find points to global climate peril

The discovery of a bed of plants that lay frozen under a Peruvian glacier for thousands of years points to dire consequences from climate change today, according to Lonnie Thompson, a glaciologist. Climate change 5200 years ago

Purifying water using silver

A scientist at the Karnataka State Council for Science and Technology here, claims to have developed a cost-effective method for domestic and individual drinking water treatment, using a silver wire. Mr A R Shivakumar of the Karnataka State Council for Science and Technology claimed that, using the strong bactericidal property …

Sea change

large-scale construction of dams is preventing sedimentation in delta regions, in turn making it easier for the sea to advance and encroach on pristine ecosystems. This is what researchers at the Andhra University, Visakhapatanam, have found. The most devastating outcomes of this phenomenon are displacement of coastal communities and destruction …

Bacteria eat sulphate

during a recent study, researchers from the us -based University of Illinois have found that adding a commonly found mineral in water contaminated by arsenic is a quick and cost-effective way to remove the toxic chemical. Water tainted by arsenic threatens the health of millions of people, mainly in Bangladesh …

Australian Scientists Use Plastic to Make Steel

Australian scientists have developed a technique to use waste plastic in steel making, a process that could have implications for recycling scrap metal that accounts for 40 percent of steel production. Professor Veena Sahajwalla of the University of New South Wales has won a prestigious Australian science award for what …

Researcher finds bird emits mosquito repellent

A bird species found in some parts of Western Alaska is believed to emit a natural mosquito repellent with properties similar to DEET, the key ingredient in many commercial repellents. Hector Douglas, a University of Alaska Fairbanks researcher, said he made the discovery in the feathers of the crested auklet …

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