Sustainable lighting refers to the use of lighting solutions that minimize environmental impact while providing adequate illumination. This includes energy-efficient technologies like LED bulbs, which consume less electricity and have a longer lifespan compared to traditional incandescent bulbs. Sustainable lighting also emphasizes the use of natural light through design strategies such as skylights and large windows, reducing the need for artificial lighting during the day. Additionally, sustainable lighting considers the materials and manufacturing processes involved. Products made from recycled materials or those that are easily recyclable contribute to a circular economy. Implementing smart lighting systems, which adjust brightness based on occupancy or daylight levels, further enhances energy efficiency and sustainability in lighting design.