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 an outline of a lecture on global warming.
user
i. introduction
a. definition of global warming
b. causes of global warming
ii. negative impacts of global warming
a. increasing global temperatures 
b. rising sea levels 
c. changes in weather patterns 
iii. solutions 
a. reducing carbon footprints 
b. planting trees 
c. switching to renewable energy sources
iv. conclusion
a. summary 
b. takeaway message
assistant