Sustainable building materials are resources that have a minimal impact on the environment throughout their life cycle. These materials are often sourced from renewable resources, recycled content, or are designed to be energy-efficient. Examples include bamboo, recycled steel, and straw bales, which reduce waste and lower carbon footprints. Using sustainable building materials can lead to healthier indoor environments and lower energy costs. They often require less energy to produce and can improve the overall efficiency of a building. By choosing these materials, builders and homeowners contribute to a more sustainable future while enhancing the durability and performance of their structures.