Some conclusions interpret the significance of the material presented in the body of the paper. The conclusion of the paper on airport expansion might include this statement of significance. In Washington State alone, four other cities like Bellingham have attempted airport expansion in the last ten years. All four projects have been stalled by lawsuits protesting the same three hazards that my proposed planning system could have eliminated. Other conclusions make predictions based on the material in the body of the paper.
Pollution is a major world-wide problem against which many powerful interests are being marshaled.
From the private citizens who are concerned with the type of detergent or pesticide they use to the leaders of great nations, all thinking peop le are involved in the environmental crisis. There is still time for humanity to resolve this problem, as people are creative, inventive, and ambitious. These qualities, which are responsible for precipitating this crisis, will be the very means for hum anity's salvation. An anecdote sometimes effectively concludes a paper. Quotations and questions can serve to conclude papers.