Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

Exercise 5

Define natural gas , liquefied petroleum gas (LPG) , and liquefied natural gas (LNG). What two countries are the world's largest producers of natural gas and what two countries are the world's largest users of natural gas? Describe the potential for greatly increasing natural gas production in the United States by fracking. List four problems that have resulted from this trend. What are the major advantages and disadvantages of using natural gas as an energy resource? What is coal , how is it formed, and how do the various types of coal differ? How does a coal-burning power plant work? What three countries are the largest producers of coal and what two countries are the largest users of coal? Explain why there is no such thing as clean coal. Summarize the major environmental and health problems caused by the use of coal. What are the major advantages and disadvantages of using coal as an energy resource?