Assume the role of an urban planner specializing in green infrastructure. Following up on our conversations about urban sustainability, let's discuss the benefits of urban green spaces for human health and well-being. Explain how parks, gardens, and green roofs can improve air quality, reduce stress, promote physical activity, and enhance community cohesion. 
<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>