What is the key concept for this section? Define natural gas, liquefied petroleum gas (LPG), and liquefied natural gas (LNG). What three countries have the world’s largest proven natural gas reserves?...

What is the key concept for this section? Define natural gas, liquefied petroleum gas (LPG), and liquefied natural gas (LNG). What three countries have the world’s largest proven natural gas reserves? Which three are the largest producers of natural gas? Which three are the largest consumers of natural gas? Why has natural gas production risen sharply in the United States and what two factors could hinder this rise? What are the major advantages and disadvantages of using natural gas as an energy resource? Describe four problems resulting from increased use of fracking to produce natural gas in the United States and four ways to deal with these problems. Discuss whether increased use of natural gas can slow or speed up global climate change.