Skin cancer is a killer. This is a proven fact which is borne out by the millions of deaths that occur each year on account of it. The problem of global warming has indeed depleted the ozone layer which means that the harmful UV rays of the sun percolate in and affect people who are exposed to these rays for extended periods of time. It is true that the problem of world pollution has reached such alarming proportions that one can really not go to the beach and sun oneself for long periods of time, without having a fear that one would get skin cancer