A colourless unstable toxic gas with a pungent odour and powerful oxidizing properties, formed from oxygen by electrical discharges or ultraviolet light. It differs from normal oxygen (O2) in having three atoms in its molecule (O3)
A sonde which transmits information on the ozone content of the atmosphere.
A region of marked thinning of the ozone layer in high latitudes, chiefly in winter, attributed to the chemical action of CFCs and other atmospheric pollutants. The resulting increase in ultraviolet light at ground level gives rise to an increased risk of skin cancer
A layer in the earth’s stratosphere at an altitude of about 10 km (6.2 miles) containing a high concentration of ozone, which absorbs most of the ultraviolet radiation reaching the earth from the sun
= ozone layer.
Any of various environmental pollutants which contribute to the depletion of the ozone layer in the earth's atmosphere.
Causing a reduction in the concentration of ozone in the ozone layer
Reduction in the concentration of ozone in the ozone layer
(Of manufactured products) not containing chemicals that are destructive to the ozone layer
That causes, or contains chemicals that cause, the destruction of the ozone layer.