Thus human activity could have an impact on the stratospheric ozone layer.

During the 1980s, scientists observed that the stratospheric ozone layer was getting thinner.

That chlorine is responsible for burning a hole in the stratospheric ozone layer.

The depletion of the stratospheric ozone layer is alarming and calls for prompt action.

Man-made chemicals like chlorofluorocarbons can damage the earth's protective stratospheric ozone layer.

What human activities affect upper-atmospheric ozone (the stratospheric ozone layer)?

There is no "hole," but only a thinning of the stratospheric ozone layer over the South Pole.

The stratospheric ozone layer screens out much of the sun's harmful UV rays.

This regulation controls and places restrictions on substances which have a damaging effect on the stratospheric ozone layer.

EPA said the product marketed under various names by the retailer damages the stratospheric ozone layer.

This also provides deep time constraints upon when enough oxygen could have been available in the atmosphere to produce the ultraviolet blocking stratospheric ozone layer.

Apparently it has been recognised for over a decade that chlorine from chlorofluorocarbons may deplete the stratospheric ozone layer.

This stratospheric ozone layer prevents the Sun's harmful, high-energy radiation from reaching Earth's surface.

What is the Stratospheric Ozone Layer?

The stratospheric ozone layer is Earth's most effective shield against dangerous ultraviolet radiation from the Sun that is known to cause cancer.

Given the significance of the stratospheric ozone layer, concern regarding the effects of pollution of the stratosphere has been expressed in recent years.

Fortunately for life on Earth, our atmosphere's stratospheric ozone layer shields us from most UV radiation.

In 1985, with the revelation that there was a hole in the stratospheric ozone layer, the media began to take a real interest in the problem.

Methyl chloride is produced naturally, but may be responsible for a substantial portion of the negative impacts on the stratospheric ozone layer.

Unlike Halon, which has long been the most common chemical fire suppressant, Novec is not a threat to the stratospheric ozone layer.

In each year beginning in the early 1980s the stratospheric ozone layer over Antarctica has thinned dramatically and abnormally during springtime.

Politicians who were loyal to corporate polluters are recasting their public postures on hazardous waste, acid rain and the stratospheric ozone layer.

Chemicals Are Widely Used The stratospheric ozone layer shields life on earth from dangerous ultraviolet radiation.

With 160 signers, it set a timetable for nations to phase out compounds that damage the stratospheric ozone layer that protects Earth from ultraviolet radiation.

If, for any reason, the stratospheric Ozone Layer becomes thin, its effectiveness as a barrier to UV rays decreases.