Beginning of Essay
"And God said, let there be light and there was light and then God saw the light, that it was good " ( Genesis 1: 3-4 ). Undoubtedly, light is good. Without light man could not survive. Light is the ultimate cosmic force in this universe allowing man to progress ....

Middle of Essay
.... laid primarily to man - made chemicals ( Bowermaster et al, 1990, p.27 ). If enough of these man - made chemicals are released, "the ozone layer would be weakened to such an extent that it does not filter out the sun's invisible and dangerous ultraviolet rays " ( Jones, 1992, p.36 ). Such a scenario would drastically alter society and the environment. Ozone depletion has been described as "potential catastrophe " and " a planetary time - bomb " ( Way, 1988, p.9 ). The four main areas affected by a depleted ozone layer and thus by the corresponding increase in harmful ultraviolet radiation are agriculture, wildlife, the environment, and human health. ....