Summary Essay Essay

Summary Essay - the Obligation to Endure
    In the article "the Obligation to Endure", published in 1962 for Rachel Carson's book "Silent Spring", mainly indicates the destructive influence of the chemical substances to the environment. The author holds the view that the excessive use of chemical products like pesticides and insecticides damage to the environment deeply and even to human.
    With the detail definition, Carson believes that the environment exists under an adjusted and balanced situation after the past millions of years of changes. Environment can transfer the harmful substances by itself, but the rapid development of chemical technology makes the environment does not have enough time to adjust and adapt it. Enormous chemicals which are created in laboratories results in the imbalance of nature.
    Basic on the fact of using chemicals, Carson presents that people widely use chemical products to kill every good or bad insects. More toxic materials are founded and used in human's life. Inserts have to evolve to a higher level for adapting environment. She shows us the cyclic process between chemical insecticides and insects.
    Facing the problem, Carson tries to expound the consequences of this phenomenon. For the opinion of maintaining farming output, she retorts it and gives an example to support it. Her opinion is that controlling insects should be necessary in several kinds of situations like poverty areas and natural disaster for avoiding disease-carrying insects,but the insect problem mainly comes from the development of agriculture like single crop system and import plants from another continents. The book "The Ecology of Invasions" and an example are separately used to support two reasons.    
    Finally, Carson appeals to people to use chemical pesticides moderately for environmental balance and emphasizes that people should pay more attention to the potential harm of using poisonous chemicals and what should we do for solving...