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Which of the following technologies should be prioritized when meeting LEED WE credits for outdoor spaces?

  1. Conventional lawn sprinklers

  2. Xeriscaping

  3. Flood irrigation

  4. Standard watering methods

The correct answer is: Xeriscaping

Prioritizing xeriscaping aligns perfectly with the objectives of LEED Water Efficiency (WE) credits for outdoor spaces. Xeriscaping is a sustainable landscaping approach that focuses on reducing or eliminating the need for irrigation by selecting native and drought-resistant plants. This technique conserves water resources, which is a key goal of LEED in promoting water-efficient practices. By utilizing xeriscaping, projects can effectively lower water consumption, enhance biodiversity, and create aesthetically pleasing outdoor environments that require minimal maintenance over time. Additionally, this method supports local ecosystems and can lead to reduced costs associated with water usage. Conversely, conventional lawn sprinklers, flood irrigation, and standard watering methods typically result in higher water consumption and often depend more on resources that can be unsustainable. These approaches do not prioritize water conservation and are not aligned with the objectives of the WE credits in the LEED system.