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
construct a dialogue between two characters on the topic of global warming.
user
character 1: have you heard about global warming?
character 2: yes, i've heard about it. it's an urgent problem that needs to be addressed. 
character 1: it's definitely concerning that the world is getting warmer and it's causing all kinds of natural disasters.
character 2: we all need to take action if we want to reduce global warming and its effects.
assistant