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 …
jorge Sarmiento and Corinne Le Quere of Princeton University in New Jersey, us, have observed that warmer oceans are more stratified and cause the ocean circulation system to slow down. As a result, they absorb much less carbon dioxide (co2)
Surjit S Mann, director of the Delhi-based Kala-Tex India Ltd has invented an environment-friendly textile dye by a process based on electrolyte technology. This electrolytic composition dye labelled
Arsenic-contaminated water can now be disinfected by exposing it to sunlight and air, according to scientists working with the Cooperative Research Centre for Waste Management and Pollution Control in Sydney, Australia. The ultra-violet radiation in sunlight helps the dissolved oxygen to oxidise arsenic to a less toxic form, which can …
"florida Bay used to be full of sea grasses and corals, but now it is as good as a sewer pond,' observes Brian LaPointe, a marine biologist at Harbour Branch Oceanographic Institution in Fort Pierce, Florida. Chemicals from agricultural runoff have brought forth the transformation. LaPointe says that the dirty …
Researchers at Tokyo Metropolitan University in Japan have developed a material which can be attached to chimneys of power plants and factories to remove carbon dioxide (CO 2 ) from emissions and help protect against global warming. This material, a sieve-like membrane which can selectively remove CO 2 from mixed …
Scientists at the Defence Institute of Physiology and Allied Sciences dipas), New Delhi, have recently developed a gas mask containing five per cent carbon dioxide ( CO 2 ) and 95 per cent oxygen ( O 2 ), that reduces hearing loss among industrial workers. dipas director, W Selwamurthy said …
at the University of Zurich in Switzerland, Helmut Brandl and his colleagues of the Institute of Plant Biology have shown that the fungus, Aspergillus niger, can coax out most of the toxic metals from incinerator ash. This fungus usually produces citric acid for the foodstuff industry (New Scientist, Vol 152, …
A TEAM of scientists from Norway, Finland and Russia are studying one of the most polluted areas in the world, the Kola peninsula in Russia. The pollutants emitted out into the atmosphere from the smokestacks of Russian smelters get deposited on the region's soil here. The level of these pollutants …
CAN one think of a pollutant indicator growing for years in his backyard? Not really. Today, hi-tech equipments and systems are much in demand. But plants like tulsi, neern and peepal have been in use for ages. Have we ever tried to analyse the rationale behind their contined use? The …
STEPHEN Forster, director of groundwater and geotechnical surveys at the British Geological Survey, who has conducted studies of groundwater in 30 countries, reports that the resource is becoming increasingly polluted. He also points out that it is being abstracted at unsustainable rates in many areas, seriously depleting reserves. "An uncontrolled …
RADIOACTIVE wastes from nuclear power plants pose an environmental hazard. Various options for the disposal of lethal leftovers from these plants have been considered. One such possibility is their
Silver solutions used in photography pose an environmental threat if disposed off through the drainage system. Therefore, silver is generally recovered for reuse. Electrolysis, the traditional method of recycling silver, salvages only 80 per cent of it. Now, Bruno Pollet of Coventry University in the UK claims that 95 per …
According to a report from the US National Academy of Sciences, stockpiles of chemical weapons could be neutralised by bacteria. Under Richard Magee of the New Jersey Institute of Technology in Newark, the US army could dispose of tonnes of mustard gas by first mixing it with water at a …
According to the latest red list of endangered species brought out by the World Conservation Union (IUCN), mammals top the list of animals facing extinction. This runs contrary to the generally held assumption that birds are the most threatened class of creatures. Interestingly, the new list suggests that 11 per …
among the 30 to 40 species of seahorse identified worldwide, many face an uncertain future due to the increasing numbers claimed by traditional medicine, pollution and habitat loss. It is estimated that at least 20 million dried seahorses are sold every year for traditional Chinese medicine and as curios, while …
crew members on the American space shuttle Columbia may have been at a loss when a tethered satellite broke free and drifted away. But for Robert J Charlson, an atmospheric scientist with the University of Washington, Seattle, the aborted mission was a blessing in disguise. The astronauts now had the …
