Light is a crucial element in any environment. Without light, there is chaos, darkness and confusion. Lighting defines and shapes our lives, from the energies of the sun, to the electrical lamps that light up our desktops. Whether it is a lightbulb at home, or a grand chandelier in classic buildings, Lighting plays a vital role in our lives. Good lighting has been proven to have positive effects on our health, making us feel happier, more alert and energized. This is especially true if natural light is used as much as possible. Some of the benefits of natural daylight include increased productivity, improved sleep and a feeling of increased wellbeing. Good lighting is also essential to creating a comfortable, attractive and inviting atmosphere. From the colour and brightness of the lights to the type of bulbs used, everything matters. Different types of lights can accentuate the beauty of a room, blending with the existing furniture to create just the right mood. In addition, the right lighting can be used to increase security. The use of motion sensors and dimmers can aid in helping to reduce energy consumption, as well as improve safety in public areas. In conclusion, lighting can have significant impacts on our lives. From boosting our health to helping to create a more inviting atmosphere, good lighting can bring about happiness and comfort. Lighting can also be used to improve the security of public spaces, making them safer for everyone. No matter what the individual needs may be, lighting can help to shape the world we live in.