Beginning of Essay
In the book Silent Spring, written by Rachel Carson reminds us of how the effort to control insects in the past has created problems in our ecosystem including animals, plants and human. Rachel Carson explained the effect of pesticides in our environment and how a ....

Middle of Essay
.... it is important to understand how pesticides were being used in the past. Furthermore, one must go a step further to conclude why the past measurements were considered to be inappropriate thus bringing us to the measures being taken today. In the past, we were not quite sure what long-term effects, if any that pesticides might have. When applying pesticides one must take into consideration the amount that actually remains on the plant as compared to the amount that is washed away by rain, carried off by wind, or absorbed by microorganisms and other living animals. In the case of DDT, or Dichlorodiphenyltrichloroethane which was first synthesized in 18 ....