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 …

Fading beauty

nothing in science can account for the way people feel about orchids. Orchids seem to drive people crazy. Those who love them, love them madly, wrote Susan Orlean in Orchid Thief: A true story of beauty and obsession. However, sadly these beautiful flowers are becoming a rarity day by day, …

Devils in the sky

sky covered with dark nimbus clouds, followed by a torrential downpour

Lilies as pollution sinks

Water lilies or nymphea can restore the purity of polluted rivers and other water sources. They can treat wastewater of residential as well as industrial areas, said scientists working at Hebrew University in Israel. According to the scientists, the plant is capable of absorbing huge quantities of heavy and poisonous …

Treating distillery wastes

Scientists at the Nimbkar Agriculture Research Institute at Phaltan in Maharashtra have developed a method to treat foul-smelling distillery wastes. What is distinctive is that they will be using solar energy and a chemical catalyst, which they have refused to name. Laboratary tests have shown that the method can detoxify …

Multilegged mayhem

After painstaking research, at least one culprit has been identified behind some of the deformities recently seen in frogs in the us . Trematode rather than pesticides are responsible for some of the deformities seen recently in frogs by scientists at the Hartwick College in the us. The minute trematodes, …

Multilegged mayhem

After painstaking research, at least one culprit has been identified behind some of the deformities recently seen in frogs in the us . Trematode rather than pesticides are responsible for some of the deformities seen recently in frogs by scientists at the Hartwick College in the us. The minute trematodes, …

From the verge of extinction

the us government has disclosed its intention to remove some bird and animal species that were on the endangered list. The bald eagle, Aleutian Canada goose and the peregrine falcon have been removed from the list, pending a brief period of public comment. The White House has also announced that …

Rings of evidence

chemists at Sheffield University in the uk have discovered a new method to determine the extent of wartime air pollution by studying rings formed around tree trunks. Cameron McLeod, Alan Cox and their colleagues have looked into Sheffield's war-ravaged past by examining felled trees. Sheffield's air choked with metals during …

Dam woes in Japan

The Nature Conservation Society of Japan, a Tokyo-based non-governmental organisation, has released a research report on the effects of a dam at the mouth of the Nagara River in Mie Prefecture. The report mentions an accumulation of sludge on the riverbed and a declining population of corbicula japonica shellfish. It …

Toxic metals in snails

A recent study has revealed that more than half the snails fished out of southern Hong Kong waters contained excessive levels of toxic metals. The study conducted by researchers of the City University urged people to eat fewer shellfish. But the Hong Kong department of health said they were generally …

Out of Africa

corals across the world may be getting afflicted by diseases transmitted through the dust coming out of deserts in Africa. Moreover, the dust may also be the reason behind a global rise in respiratory infections. This has been proposed by Dick Barber of the Duke University in Beaumont, North Carolina, …

It is wetter in the south

over the past 22 years, ocean warming has caused an eight per cent increase in rainfall over the Southern Ocean and the South Pacific. Annie Wong, oceanographer at the Antarctic Cooperative Research Centre ( acrc ) in Hobart, Australia, says that warmer ocean temperatures are intensifying the cycle of rainfall, …

Deep in trouble

the southeast of Great Britain is sinking. Thanks to enhanced global warming, England's wildlife may be forced to seek refuge in Scotland, the island's resurgent north. Like England, Scotland can roughly be divided between the wetter, higher and warmer west and the lower, dryer and fertile east. Unlike England, Scotland …

Device to monitor airborne particles

To check pollution level in food and drug industries that require completely particle-free air, German scientists have developed an instrument to monitor air-borne particle levels during manufacturing and to take appropriate action if the level becomes too high.

Domestic water purifier with new technology

The Chennai-based Enviro Care Systems (ECS) is in the process of launching a domestic water purification system using a carbon and silver combination technology.

Bhel opens largest water desalination plant in Tamil Nadu

Bharat Heavy Electricals has commissioned a desalination plant for converting sea water into potable water in the Gulf of Manner off Tamil Nadu. According to a company press release it is the largest desalination plant in the country. Fully designed and manufactured by Bhel, the plant based on reverse osmosis …

Up in smoke

the history of Australia is closely linked to the fires that have engulfed the continent for centuries. Captain James Cook who reached the Australian shores in 1770 described it as a "continent of smoke'. Some describe it as a land shaped by smoke ( New Scientist , Vol 162, No …

Damage to trial trees condemned by company

Zeneca, the agrochemicals company, condemned the damage inflicted on its trial of genetically-modified poplar trees in southern England as an act of "senseless vandalism". The trees are being grown as part of an eight year European Union research programme into using less energy and chlorine in paper-making. They have reduced …

Loo turns waste into manure

The millennium commission has decided the toilet of the future should be as useful fertilising rose beds as allowing owners to answer a call of nature. It is helping to fund the development of a new, affordable toilet that will turn human waste into fertiliser fit to be spread on …

Snow job

Clean solution to sewage? : Sewage into snow - in a nutshell. The cleanest sewage treatment ever invented for cold climates. A revolutionary no-discharge technology that saved the lake, gave small-town politicians a big lesson in resistance to change, and transformed a hard-nosed engineer into a born-again environmentalist. The Snowfluent …

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