Diversity: not a sure winner

Diversity of species doesn't always help the ecosystem stage a comeback after degradation

Caged minks' dream

Bacteria eat sulphate

This can be a cheap solution for the arsenic menace

Tall claim

US nitrogen oxide emissions have reduced: EPA

Nature cares

Nature has proved to be much more successful in removing excess carbon monoxide from atmosphere

Money rains

Pollutants discharged from Russian smelters, worth millions of dollars, can be profitably extracted

Ravenous but a remedy all right

Famished bacteria are now known to be able to enter porous media like soil and create a bio-barrier to prevent the spread of pollutants

Getting down to it

A new technique that monitors emissions by detecting toxic substances right inside smokestacks, spells anathema for manufacturers who have been …

A natural antidote

A new technique shall help do away with unwanted, polluting byproducts of certain manufacturing processes

The live connection

Geological studies conducted in northern Chile reveal that the enrichment of metal ores through the weathering of rocks, is a process mediated …

Not so easy

Ecosystems that were expected to revive after power plants were ordered to clean up their act, have not done so

Street-smart settlers

Scientists report on the role played by two processes, rapid evolution and the founder effect, in shaping the existence of lifeforms migrating to …

Facts, at last

The first ever field study of the anaconda - the dreaded predator snake - has revealed a number of fascinating facts about the reptile's habits

Trouble in the air

The winter of 1995-96 has witnessed record lows in the levels of ozone in some areas of the Northern Hemisphere, affecting Europe in particular

Electrifying presence

Scientists at the University of Texas, US, are attempting the use of electrochemical and photochemical methods to purify polluted water. Apart …

Bright lights dim sights

There are various forms and faces of pollution today, and believe it or not, light is one of them. Yes, the concept of light pollution is …

Blow hot blow cold

North Americans have literally had to face some very rough weather this year After having dealt with a sweltering summer with sky-rocketing …

Salt, the saviour

The consumption of salt is currently being blamed for several health problems like high blood pressure and heart ailments that follow. Even …

Over the threshold

The survival and evolution of a species is dependant on both the competing claimsfor survival being asserted within the species and between …

Gone with the wind

Findings from a recent study conducted in Pakistan and Egypt by researchers from the Imperial College, London, suggest that a secondary pollutant,…

The heat is on

Climate is getting warmer and the effects of global warming are becoming increasingly noticeable in the flora and fauna in the UK

The southern connection

Building up of ice sheets in the far north might be due to strong currents in the South Atlantic

Clean and high

These are skyscrapers with a difference: they can remove large amounts of sulphur dioxide, ozone, soot and other polluting particles from the air

Green sands

Ancient Sahara was wetter and wilder before. Changes in vegetation have played a role in transforming its climate

Exceptional site

Bacteria help precipitate arsenic from the surface water that springs out of mining sites