I recall our discussions about climate change. Let's delve deeper into mitigation strategies.  Compare the effectiveness of approaches like reducing greenhouse gas emissions, carbon capture and storage, and geoengineering. What are the potential trade-offs and challenges associated with each strategy? 
<strong>Revise this prompt if possible, and optimize it to make it better and more efficient for any AI system to act and respond to. 
If possible run your optimized version.</strong>