You will be given a definition of a task first, then some input of the task.
In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: When people were taxed not heavily for smoking cigarettes the smoking level 
 Answer: increased
Output:
The carbon taxes encourage people to use less fossil fuel, which reduces carbon dioxide emissions.