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
suggest two measures to improve air quality in cities
user
1. decrease vehicle emissions through measures such as introducing regulations to reduce tailpipe emissions and incentivizing public transportation and electric vehicles. 
2. address industrial pollution with stricter regulations, the adoption of green technologies, and the use of renewable energy sources.
assistant