Stratosphere is the majority of Ozone that protects against the high energy radiation of the sun. Ozone is an allotrope of oxygen. It is the necessary protective component of upper atmosphere but considered a pollutant in the atmosphere.
In troposphere temperature increases with increasing ltitude. Ozone was discovered in 1913 by French Physicists called Henri Buisson and Charles Fabry. 97 TO 99 percent of sun’s medium-frequency ultraviolet light are absorbed on the Ozone layer.
Taking steps to reduce or eliminate pollution from nonpoint sources such as streets and farms will help to maintain the ecological balance. Sewage and run-off of agricultural fertilizer can cause the rapid growth of algae in lakes and streams. The growth of algae blocks sunlight and depletes the oxygen in the water.