Air Pollution

Order of the National Green Tribunal regarding the deplorable condition of a water tank, Golconda Fort, Hyderabad, Telangana, 05/06/2025

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 …

Mussel bound

Invading zebra mussels have colonised at least 2,000 sq km of soft sediment on the beds of the Great Lakes in the US, says a recent report. Till now, it was thought that these mussels could grow only on hard surfaces. Paul Berkman of Ohio State University, USA, says his …

Suffocating budget

in the end, it turned out to be a facade. All the promises to give importance to the environment by the Bharitiya Janata Party came to nought, when the finance minister, Yashwant Sinha, presented the Union budget in Parliament on June 1. As far as the allocation of funds to …

Dying wings

Hundreds, perhaps, even thousands of migratory birds are dying in the eastern US and Canada due to salmonella bacteria, the US National Wildlife Health Center (nwhc) announced recently. The organisation has found the bacteria in dead birds form over American 10 states since January this year and is in the …

In cold blood

hospitals in the us performed radiation experiments on mentally retarded Norwegians during the Cold War, reveals a retired senior health official. Fredrik Mellbye, a top government doctor from 1950 until 1972, says that these people were used to determine the effect of radiation on humans. Such experiments were carried out …

Mind over matter

The gym? Forget it. You can body build even without getting off that comfortable couch. Mental exercise can increase strength almost as much as regular and strenuous physical practice, British researchers announced recently. Dave Smith and his team from the Manchester Metropolitan University, uk, measured the push that 18 male …

Back from plant heaven

cycads are, perhaps, some of the oldest, rarest and most endangered plants in the world right now. As their habitats have been destroyed through the years, these plants have acquired the status of collector's items, leading to an unprecedented rise in the demand for rare species. The recent outcry against …

Warming the skies

governments may be forced to hike air ticket costs as European environmental groups are pushing for pollution taxes on aviation fuel. When European Union environment and transport ministers met in Chester, uk, recently, environmentalists demanded for a tax on carbon dioxide and nitrogen oxide emissions from aircraft or extra tax …

Cosmic thunder

in the far reaches of space, cosmic thunderstorms are generating windspeeds of more than 965 kilometres per second and temperatures hotter than the Sun, report scientists. Massive clusters of galaxies are colliding at supersonic speed millions of light years away, creating intense shock and violent turbulence. However,there will be no …

Umbilical discord

a recent study conducted in Delhi has found alarming levels of metals such as lead and cadmium in several placental tissues. This has sharply highlighted the hazards of air pollution as these metals are both toxic and often, are the cause many irreversible health effects. The threat unborn babies face …

Another pesticide treadmill

In the US, this is the third year of farmers successfully growing crops that are genetically engineered to make their own pesticide, known as Bt toxin, a natural poison obtained from the soil bacterium * Bacillus thuringensis *. Even organic farmers approve of Bt-crops as the toxin is highly specific …

Emissions unlimited

efforts to cut global carbon dioxide ( co 2 ) emissions have not yielded much success. Recent findings indicate that the emission from burning of fossil fuels has continued to increase. The highest levels of co 2 were recorded in the Asia Pacific, which include India, China and the Middle …

Smoky flashback

the book drives home the point that pollution prevention is more economical than pollution control. Japan attained economic success through modernisation and rapid industrialisation. But this also resulted in large-scale pollution. In the rush for rapid industrialisation, Japan faced industrial air pollution mainly of dust, soot and sulphur oxides. This …

Law and disorder

though India has a number of rules and regulations to protect the environment, they have not achieved their purpose. The growth of environmental laws is a reflection of the speed with which environmentalism has established itself as a potent political force. But many of the laws are either trivial or …

For cleaner air...

a plan to regulate the emission of particulate matter smaller than 2.5 micron (micron is one-millionth of metre), technically known as pm 2.5, is on the cards of the us Environmental Protection Agency ( epa ). The debate on implementation continues as critics and researchers battle over the issue. Very …

...and water

in february 1998, the epa proposed that regulations on drinking water quality standards for suppliers across the country be made available to the consumers. This would let consumers know the current state of water they drink, according to epa administrator Carol M Browner. The regulation will be finalised later this …

Wherever they may roam

as long as those little, green men do not show up, the third stone from the sun - Earth - remains the only planet that can boast of life. In fact, life is in such abundance here that science can often lose track of all the various lifeforms that we …

Corals gassed

global emissions of greenhouse gases may pose serious threats to coral reefs the worldover, warn scientists. Increasing levels of carbon dioxide (co2) are reducing the ability of coral animals to make the limestone skeletons that build reefs. This warning has come in the wake of a report from Australia's Great …

Russia ravaged

tuberculosis has devastated Russia's population. Tatyana Dmitrieva, Russian health minister, says that the incidence of tuberculosis had more than doubled since 1991, reaching 68 cases per 1,00,000 people. It is 18 cases above the epidemic threshold as defined by the World Health Organisation. According to Russian health authorities, over two …

Magnetic Cleanup

Luis Nunez, laboratory chemist at the Argonne National Laboratory in Argonne, USA, has developed a simple, compact and cost-effective method of removing fine metal particles and radionuclides from industrial waste and streams. The method employs particles that are poured into a tank containing a process or waste solution, where the …

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