IF it were not for the widespread pollution caused by human beings, global warming caused by green- house gases like carbon dioxide and methane would have made the earth a lot warmer than it is.

WESTERN governments have touched the panic button because of the recent evidence of ozone depletion over the Arctic and large parts of the high and middle latitudes. The ozone hole is no

Research in atmospheric sciences is booming because of the impending threat to4he world's climate. Every month there is a new study showing new sources of greenhouse gases rages that are capable of producing global warming or disputing earlier

FEARS of ozone layer depletion have inspired research into refrigeration technologies that do not depend on ozone-destroying chemicals and which may even be more efficient than the