What a wonderful piece of information is this ! Concerning ozone layer.As i go through your work ,i learnt how ozone form ,how it can be destroyed by free radical of chlorine release by CFCs decomposition ,the negative effect of ozone depletion such as skin cancer, loss of immune system and loss of good quality of air and little knowledge about acid rain through combination of methane and chlorine radical.Truly, i am happy to come across your post ,very informative and educative.may God give you more inspiration to affect our life more in jesus name.