When found in troposphere, ozone is considered a dangerous and unsafe pollutant and is one of the substances responsible for producing the greenhouse effect.
The Antarctic ozone hole discovery in 1985 was by British scientists Joesph Farman, Brian Gardiner, and Jonathan Shanklin of the British Antarctic Survey.
Ozone is a bluish gas; an ozone molecule is comprised of three atoms of oxygen.
The type of oxygen that we breathe in comprises of two oxygen atoms, O2.
It plays a key role in development of malignant melanoma.
UVB is also linked to cataract of eyes -- a clouding of the eye’s lens.
Considerable loss of ozone in the lower stratosphere was first noticed in the 1970s over Antarctica, by a research group from the British Antarctic Survey (BAS), who were monitoring Antarctic atmosphere that time.
The first measurements were taken in 1985, and the drop in stratospheric ozone levels in was thought to be due to instrumental faults.
Polar stratospheric clouds (PSCs) acts as the medium on which reservoir chlorine compounds are converted chlorine radicals and promote denoxification.
Essentially there are two types of PSC: known as type 1 and type 2.