Ozone is primarily found in the Earth's stratosphere, particularly in a region known as the ozone layer. The ozone layer is located in the stratosphere and is responsible for absorbing the majority of the sun's harmful ultraviolet (UV) radiation.
Ozone depletion refers to the reduction of ozone concentration in this stratospheric ozone layer.
This reduction in ozone concentration is a critical environmental concern because it can lead to an increase in the amount of harmful UV radiation reaching the Earth's surface, which can have detrimental effects on living organisms, including humans.
The stratosphere is where the protective ozone layer exists, and it is in this layer that the phenomenon of ozone depletion occurs due to human-made substances like chlorofluorocarbons (CFCs) and other ozone-depleting chemicals.