Concluding Sentence for Water Conservation Strategies

In the following passage, the author discusses various approaches to conserving water in urban settings. The passage may benefit from reordering certain sentences to enhance coherence and flow. Read the passage carefully and answer the question that follows.

1. One effective method involves the use of rain barrels to collect runoff from roofs.

2. Implementing automatic irrigation systems can reduce water waste significantly.

3. Additionally, cities can benefit from the installation of permeable sidewalks, which allow rainwater to seep into the ground rather than into storm drains.

4. Residents can also adopt xeriscaping, a landscaping technique that reduces the need for irrigation.

5. In essence, combining these strategies not only conserves water but also enhances urban landscapes.

Which of the following sentences would best serve as the concluding sentence of this passage to ensure logical progression and a strong ending?