Ozone Depletion
In 1979 a hole opened in the ozone over the Antarctic, but until 1985 it was unconfirmed. ... Ozone is depleted by many factors. ... Alternative mechanisms including polar vortexes and volcanic eruptions also lead to ozone depletion. Effects of ozone depletion can be devastating to the earths ecosystems. A decrease in ozone leads to an increase in ultraviolet radiation. ... Even with such action the threat of ozone depletion still lingers over our heads. Expansion of the seasonal hole over the Antarctic taken from Tom Garrisons book on oceanography OZONE LAYER DEPLETION The ozone layer, the earths protective shield against UV-B radiation, is being depleted.