A new instrument makes the task of monitoring ozone levels easier
THE ozone layer over the US had thinned to unprecedented and worrisome flimsiness during 1993, say scientists who had monitored sunlight at various ground sites over the year. Between January and
The increase in greenhouse gas emissions and damage to the ozone layer hold far more serious consequences for human health than earlier imagined
With aerospace technologies set to revolutionise engine and body design, today's cars could become as obsolete as dinosaurs.
BBC's film on chlorine is more successful in underlining the vital role it plays in daily life, rather than in detailing why it should be banned
EMISSIONS of sulphur dioxide and nitrogen oxides play a key role in the formation of acid rain and consequently, the acidification of soils. Production of nitrogen oxides leads to ozone build-up in
The Earth's atmosphere has been evolving ever since the planet was formed about 4.5 billion years ago. But, with industrialisation, human activity, for the first time, threatens irreversible climate changes
Geological records of how climate responded to changes in the atmosphere in the past enables scientists to model future climate behaviour in response to current atmospheric changes
Scientists are studying atmospheres on other planets in the solar system to learn more about the evolution of climates
Fresh data on dipping levels of atmospheric ozone add up to a grim scenario that can have serious implications for life on earth.
Epidemiological study on effect of air pollution on human health (adults) in Delhi
How green is green?
Doha: inaction in the face of urgency
Coal mines to get automatic nod for first expansion