Block construction can contribute to sustainability in various ways. Blocks can be made with modern manufacturing techniques that prioritize energy efficiency and may incorporate recycled materials, decreasing environmental impact. Once constructed, block buildings offer thermal mass properties, aiding in temperature regulation and reducing energy consumption for heating and cooling. Their durability also means fewer resources are needed for maintenance and repair over time. Furthermore, blocks can often be recycled at the end of a building's life, contributing to a circular economy. When combined with sustainable design features such as efficient insulation and renewable energy systems, block construction can significantly reduce a building's overall environmental footprint.