Instead of having urban watersheds, we could imitate natural watersheds where the water would go into the soil. We don't need to completely remove the urban watersheds, we just have to make them function more like a natural watershed. we could have the rain water flow down to the natural watershed. this way, the water will go into the ground and not overflow, and the plants will get water. To do this we could remove concrete and make more natural spaces, or we could have rain barrels. These are just two of the many alternatives.
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