The Earth's ozone layer protects all life from the sun's harmful ultraviolet radiation. However,
this fragile shield is being depleted since the late 1970s as a consequence of the emission …

Humankind has dramatically altered the composition of the atmosphere during the past 150
years, chiefly by increasing the concentrations of naturally occurring greenhouse gases …

Tropospheric ozone threatens human health and crop yields, exacerbates global warming,
and fundamentally changes atmospheric chemistry. Evidence has pointed toward …

Ozone protection was the result of professional confidence and sacrifice; brilliant
interdisciplinary science and the good fortune of an ozone hole with no explanation other …

Ozone depletion and climate change can no longer be treated as separate issues,
according to a United Nations official and others who attended the 10th Meeting of the …

The ozone layer, about 10 to 50 kilometers above the earth's surface, protects life on earth
by absorbing most of the damaging ultraviolet (UV) radiation from the sun. It was proposed …

Come for the ozone layer, stay for the climate. That come-on might have been the marketing
spiel for negotiators meeting last week under the aegis of the United Nations Environment …

The 1987 Montreal Protocol on Substances that Deplete the Ozone Layer called for global
action to reduce the use of chlorofluorocarbons (CFCs) and halons. In addition, it requested …

Ozone in the stratosphere shields the Earth from ultraviolet radiation. Worries about the
possible depletion of this protective layer led, in the early 1980s, to international attempts to …

Discusses the introduction and continued use of chlorofluorocarbons (CFCs) as related to
stratospheric ozone depletion. Presents the characteristics of CFCs conducive to the …