Order of the National Green Tribunal in the matter of In Re: News Item Titled "Neglected Katora Houz in Hyderabad’s Golconda Fort Cries for attention appearing in ‘The Siasat Daily’ dated 25 May 2025". The application was registered suo-motu based on the news item titled “Neglected Katora Houz in Hyderabad’s …
EFFORTS are on to develop cleaner technologies for the highly polluting two- and three-wheelers, whose number has increased six-fold from 1976 and 1992 and drastically brought down air quality in metropolitan areas. Some 94 per cent of the two- and three-wheelers in India are powered by two-stroke engines that are …
Why are you opposed to cement plants? They are the biggest polluters and they must not find a place in the sensitive environs of the fragile hills. Environmental destruction in the name of development cannot be tolerated. A state like Himachal Pradesh must always depend on e(S-friendly industries for revenue …
INSECTS that were introduced to stem the spread of water hyacinth are beginning to avoid feeding on the weed because they are polluted by toxic metals. However, the insects seem to be developing resistance to the toxicity by producing new cellular proteins and synthesizing new ones. In experiments conducted by …
ACC IS searching for foreign collaboration to install pollution controls at its new manufacturing unit with one million tonne per annurn capacity. It has assigned a separate unit to look after pollution control and made a substantial increase in pollution control investment. The firm has also planted 602,800 saplings in …
AND NOW a human gene can be environmental groups call it a "landfound in plants. A Canadian scientist mark decision". has succeeded in adding a human The problem in the affected areas gene - metallothionein - to plants has been caused by excessive use of like rapeseed, tobacco and alfalfa. …
YUGOSLAV engineers are working desperately to ease the pressure on a damaged dam in Montenegro, to prevent the release of millions of tonnes of toxic mining sludge into the Danube and other Balkan rivers. Senior officials working on the dam'say the impact would be "disastrous as it would poison the, …
THE DECISION of the Himachal Pradesh governnment to set up four Large and 12 small cement plants in The state has unleashed a controversy pwite one Union minister lVAmother and arousing protests fonmentalists. Though Lwiories are listed by the of environment and as a major polluter, it plGaoarat Ambuja Ltd's …
PORTLAND cement may acquire a new, environmentally friendly, chemical composition. Researchers are focussing on how to reduce emissions from cement manufacture and also use less energy. Another area of research that has emerged recently examines the use of bauxite (aluminiuni oxide) and wastes such as fly ash, scrap iron and …
URBAN air pollution in India has become a cause of concern and alarm and the subject of much writing and debate on measures to control it. Calcutta is reputed to be one of the world's most polluted cities, but its citizens contend the pervasive acrid odours and hazy horizons are …
ELECTRIC cars run on batteries but work best without them. Batteries halve electric cars' speed and range and increase their cost because it is more difficult to get electricity into and out of a battery than it is to pump and burn petrol. With stricter emission controls slated for later …
A clean and green way to reduce acid rain has been developed by Chang Yul Cha of the University of Wyoming in Laramie. The process cuts sulphur dioxide and nitrogen oxides from coal-fired smokestacks using char and microwaves (Science, Vol 257 No 5076). The gases are absorbed as they pass …
AS STAR TV enters its second year of existence, there is less of its excellent public service advertisements to be seen. With paid consumer advertising increasing, the network no longer has to run messages on environmental protection and conservation as frequently. This, of course, is a great pity, for Doordarshan …
THE MANAGEMENT of water quality is closely related to almost all human activity and, therefore, is of great concern for all. Wastewater, or water polluted to a degree that is harmful to the environment and useless for human beings, is the result of several natural processes as well as all …
THE SWEDISH city of Malmo has carefully landscaped an area of about 10,000 ha, which functions as a natural stormwater treatment plant. In Malmo, on the southern Swedish coast, several projects involving the natural treatment of stormwater are being implemented. One of them is the Toftanas Project in which stormwater …
The figure shows the elements of a small-scale wastewater treatment system in use at Stensund high school in Sweden. First, a sedimentation tank stores the wastewater produced over two days (1). The water then is led to a soil filtration tank (2) with sulphuric bacteria under anaerobic (non-oxygen) conditions, which …
TRADITIONAL communities developed ingenious ways of making use of wastewater. And, experts involved in the modern science of ecological engineering can learn a great deal from them. There is a growing realisation that the term "wastewater" is a sign of human inability to recognise a valuable resource. Traditional societies throughout …
IT may have been this emotive encomium to the Ganga that motivated Nehru"s grandson, Rajiv Gandhi, to undertake India"s most ambitious environmental clean-up programme ever. Launching the Ganga Action Plan (GAP) in Varanasi on June 14, 1986, Gandhi, then prime minister, of India, stated confidently, "We shall see that the …
