Here's a problem to solve: A school replaced all of their light bulbs with a new type of light bulb. The new light bulbs use less energy. How will the new light bulbs most likely help the environment?

Among the 4 following options, which is the correct answer?

- A: The amount of light pollution will decrease.
 
- B: The air conditioner at the school will run less often.
 
- C: Fewer natural resources will be used to make electricity.
 
- D: Money will be saved on the electricity bill for the school.
 