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
outline the main points in a speech about air pollution.
user
i. introduction 
- definition of air pollution
- effects of air pollution on human health and the environment
ii. sources of air pollution 
- human activities 
- natural sources 
iii. measures for addressing air pollution
- legislation 
- education
- technology 
iv. conclusion 
- summary of key points 
- call to action
assistant