Which LEED credit promotes efficient irrigation systems?

The correct choice is centered around the concept of promoting efficient irrigation systems through water conservation linked to landscaping practices. This particular credit emphasizes the need for sustainable landscaping strategies that minimize the use of potable water for irrigation.

Efficient irrigation systems aim to reduce water consumption while maintaining healthy landscapes. This can include the use of drought-resistant plants, efficient irrigation technologies such as drip irrigation, and proper planning and design to ensure that water is used wisely and only where necessary. By adhering to this credit’s guidelines, projects can significantly lower their overall water use, making them more sustainable and environmentally friendly.

In contrast, credits related to indoor water use or fixtures focus primarily on water efficiency within buildings, such as low-flow toilets or faucet aerators, rather than outdoor irrigation practices. Rainwater harvesting, while beneficial for managing stormwater and providing an alternative water source, doesn't specifically target the efficiency of irrigation systems itself but rather capitalizes on collected rainwater for various uses. Thus, the focus of the selected credit on landscaping provides a clear path toward enhancing irrigation efficiency and overall water conservation efforts.