How does coal combustion affect aquatic organisms? Describe the steps, and the spheres (or systems, or media) involved. What factors influence the effects?

How does coal combustion affect aquatic organisms? Describe the steps, and the spheres (or systems, or media) involved. What factors influence the effects?

The organizational structure of the U.S. Environmental Protection Agency

Describe the organizational structure of the U.S. Environmental Protection Agency

How electricity production, transmission & marketing is regulated by federal and state agencies.

How electricity production, transmission & marketing is regulated by federal and state agencies. You may answer in outline format, bullets, essay or any method that you prefer and that enables you to get a lot of information into a short time frame.

Misunderstanding about fossil fuels

Explain the fundamental misunderstanding about fossil fuels that is embedded in this recent quote: "If extinction is happening at a greater rate now, why is our supply of fossil fuels decreasing?" (Rep. Steve Pearce - R, New Mexico - at a hearing on the Endangered Species Act, 6/16/05) Compare and contrast the following terms: renewable and nonrenewable energy sources. Include three examples of each type of energy source.

Compare and contrast the designations of threatened, endangered, and extinct species. Describe three human causes of species endangerment and/or extinction.

Compare and contrast the designations of threatened, endangered, and extinct species. Describe three human causes of species endangerment and/or extinction. Identify and discuss four ways in which forest trees are currently harvested. Which method is the most ecologically sound, and why? Which method is the most economical?