Assume the role of an urban forester. Following up on our conversations about urban sustainability, let's discuss the benefits of urban forestry. Explain how trees in cities can improve air quality, reduce urban heat island effect, enhance biodiversity, provide shade and aesthetic value, and contribute to the overall well-being of urban residents. 
<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>