Accessibility is the degree to which a building or a space can be used by people with diverse needs and preferences, including those with disabilities, the elderly, children, and pregnant women. It is not only a matter of human rights and social justice, but also a way to improve the functionality and usability of your building. Designing for accessibility can increase safety and security by minimizing the risks of accidents or emergencies, expand comfort and convenience by providing features that suit your abilities and preferences, and boost productivity and creativity by enabling you to perform tasks more easily. To design for accessibility, you need to consider aspects such as mobility, sensory, and cognitive. For instance, solar power can be used to provide features such as ramps, elevators, automatic doors, sound systems, tactile signs, ventilation systems, color codes, symbols, or feedback systems that can accommodate people with different levels of physical ability or mobility aids, sensory ability or assistive devices, or cognitive ability or learning styles.