GOVERNMENTS the world over can do just that - pat themselves on their backs - for work well done. Dutch scientists, reviewing a year of the international ban on ozone- destroying chemicals have
Findings from a recent study conducted in Pakistan and Egypt by researchers from the Imperial College, London, suggest that a secondary pollutant, surface ozone, may well be responsible for substantial reduction in the yields of major crops
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 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