Optimizing steel design for LEED involves a few general guidelines. Firstly, choose steel products that have a high recycled content and low embodied energy, such as structural steel, cold-formed steel, or steel decking. Additionally, look for labels and certifications that indicate the environmental credentials of the steel, like the Environmental Product Declaration (EPD) or the Responsible Steel Standard. Secondly, use steel framing systems that minimize the amount of material and maximize the structural efficiency, like open-web joists, trusses, or composite beams. These systems can also reduce the weight and cost of the steel structure and allow for more flexibility and creativity in the design. Thirdly, incorporate steel elements that improve the thermal performance and daylighting of the building, such as insulated metal panels, metal roofs, or curtain walls. These elements can reduce the heating and cooling loads and enhance the comfort and well-being of the occupants. Lastly, integrate steel components that support the generation and distribution of renewable energy, like photovoltaic modules, wind turbines, or microgrids. These components can help the building achieve net-zero energy or carbon neutrality and contribute to the reduction of greenhouse gas emissions.