490. UNIT FOUR ENVIRONMENTAL HEALTH AND SAFETY CAKDRIDCE·50 MERVILLE FIGURE 15.2 Urbanization has led to overcrowding and pollution While it is unrealistic to believe humans can have a pollution-free environ- ment,it is possible to work toward minimizing the level of pollution. As the domi- nant species on this planet, our very survival depends upon our recognition of the deleterious effects our activities have on the rest of the biosphere and our taking responsibility for minimizing these effects. If the environment is to remain rela tively stable, the frequency and severity of environmental hazards stemming from human activities must be reduced Table 15.1 Reusable versus Throwaway Consumer Goods Reusable goods Throwaway Goods Milk bottles Cardboard cartons and plastic jugs Returnable soft drink bottles Aluminum cans and plastic bottles Garbage cans Trash bags Lunch boxes Paper bags Cloth napkins Paper napkins Refillable pens Disposable pens Handkerchiefs Facial tissues Cloth towels or rags Paper towels Ceramic or plastic dishes Paper plates