Week 1 Sci/256

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Environmental Science Worksheet

Answer the following questions in at least 100 words. The answers are found in Ch. 1–4 of Environmental Science.

1. What would you include in a brief summary on the history of the environmental movement?

In the first two centuries of U.S. history was a widespread environmental destruction. In the 19th century there were four people who played a key role in protecting the environment; Henry Thoreau, John Audubon, George Marsh, and President Theodore Roosevelt. The modern environmental movement was in the 19th century Europe and North America as they exposed the cost of environmental negligence. Rachel Carson a Marie Biologist wrote a book in the 1960’s about the effects of pesticides. This brought public awareness to the effects of pesticides and retractions on the use of pesticides. In the 1960’s the media also started to report environmental incidents to the public. These incidents included the death toll in New York from the pollution in the air, the death of fish and closers of beaches because of the pollution in the water. All of this led up the establishment of the EPA in 1970.

2. Explain the main point concerning exponential growth and whether it is good or bad. Compare exponential growth to a logistic growth curve and explain how these might apply to human population growth. What promotes exponential growth? What constrains population growth?

The main point of exponential growth is the keeping a high growth rate for a long period of time. This happened for a short period of time in the mid 20th century making the population rate grow dramatically. This is not good if there is an exponential growth for a long period of time. This is because if there is an exponential growth for a long period the population in increase to fast. The more births does not mean there will be more deaths, leaving more and more people depending on the natural resources. If this...
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