as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
system
create a list of five possible solutions to decrease pollution in a city.
user
1. encourage mass transit use and reduce car traffic. 
2. require more efficient vehicles and make fuel-efficient vehicles more affordable. 
3. provide incentives to businesses for energy star ratings. 
4. implement renewable energy sources such as solar and wind energy.
5. promote pollution control education in schools and businesses.
assistant