Yes, you can use aluminum sheets to create a green building. Aluminum is a sustainable material due to its recyclability and energy efficiency in production. It has a high recycled content rate, reducing the need for raw material extraction. Additionally, aluminum's lightweight nature can lead to reduced energy consumption in transportation and construction. Its durability and resistance to corrosion can extend the life of a building, further contributing to sustainability. However, it's important to consider the entire lifecycle impact, including the energy used in aluminum production, and to source aluminum responsibly to ensure a truly green building.