If shading hardscapes with vegetation, consider using native or adapted vegetation, which will require less irrigation. Open-grid paving can also be placed over rainwater cisterns that can reduce the use of potable water in landscaping.
Do you know which LEED credits have the most LEED Interpretations and addenda, and which have none? The Missing Manual does. Check here first to see where you need to update yourself, and share the link with your team.