Which statement accurately describes wind energy's effect on air quality?

Which statement accurately describes wind energy's effect on air quality?

• A. It is renewable and does not produce air pollution.
• B. It releases high levels of sulfur dioxide during operation.
• C. It emits significant particulate matter from turbine blades.
• D. It requires combustion that emits pollutants.

Answer: (A)

Wind energy produces electricity without burning fuel, so there are no exhaust gases or pollutants released during its operation. That means it does not directly emit sulfur dioxide, nitrogen oxides, or particulate matter, which are the pollutants that degrade air quality from fossil-fuel plants. By supplying clean electricity, wind also helps reduce overall emissions when it replaces generation from fossil fuels, leading to cleaner air. There are some emissions tied to manufacturing, transporting, and maintaining turbines, but these lifecycle emissions are small compared with the avoided emissions from not burning fossil fuels. Therefore, wind energy is renewable and does not produce air pollution during operation, making it the best description of its effect on air quality.

Wind energy produces electricity without burning fuel, so there are no exhaust gases or pollutants released during its operation. That means it does not directly emit sulfur dioxide, nitrogen oxides, or particulate matter, which are the pollutants that degrade air quality from fossil-fuel plants. By supplying clean electricity, wind also helps reduce overall emissions when it replaces generation from fossil fuels, leading to cleaner air. There are some emissions tied to manufacturing, transporting, and maintaining turbines, but these lifecycle emissions are small compared with the avoided emissions from not burning fossil fuels. Therefore, wind energy is renewable and does not produce air pollution during operation, making it the best description of its effect on air quality.