Which of the following strategies is not recognized for achieving LEED points?

The approach of incorporating elaborate landscaping does not directly contribute to LEED points in the same way that the other strategies do. LEED certification focuses on sustainable building practices that minimize environmental impact, reduce energy consumption, and utilize resources efficiently.

Using recycled materials can enhance resource efficiency and contribute to waste reduction, thereby earning valuable points. Implementing renewable energy systems is a recognized strategy for decreasing dependence on nonrenewable resources and reducing greenhouse gas emissions, further aligning with LEED's sustainability goals. Optimizing building performance involves ensuring that buildings operate efficiently, maximizing energy savings, and improving occupant comfort.

While landscaping can play a role in the broader context of sustainable site design, it must serve specific criteria, such as minimizing impervious surfaces, supporting local biodiversity, or reducing heat island effects, to earn points. Simply having elaborate landscaping without aligning it with these goals does not equate to a strategy recognized for earning LEED points. Hence, it is the least aligned with the core objectives of the LEED rating system among the options presented.