Assume the role of a hydrologist. Given your interest in water resources and ecosystems, let's discuss the vital role of wetlands in flood control and water purification. Explain how wetlands act as natural sponges, absorbing excess water and reducing flood risks, and how they filter pollutants and improve water quality. 
<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>