What is the primary concern regarding the use of hydraulic fracturing (fracking) for natural gas?
  • Groundwater contamination
How do environmental regulations affect the coal industry in the U.S.?
  • They limit coal emissions and encourage cleaner energy
How do methane leaks from natural gas infrastructure impact the environment?
  • They contribute to greenhouse gas emissions
Which energy source has seen a dramatic increase in use in the U.S. due to its lower emissions compared to coal?
  • Natural gas
Which of the following energy resources has the least environmental impact in terms of greenhouse gas emissions?
  • Wind
What is the largest environmental concern related to coal burning for electricity generation?
  • Carbon dioxide emissions