Light Pollution What is Light Pollution? -Light pollution refers to the excessive and unnecessary artificial light that brightens the night sky and interferes with natural darkness. It is caused by poorly designed and excessive outdoor lighting, which can have negative effects on the environment, wildlife, and human health. Cause of Light Pollution: Light pollution is caused by excessive or misdirected artificial lighting at night. It occurs when artificial lights from buildings, streetlights, and other sources illuminate the sky and surroundings, obscuring the natural darkness. There are several factors contributing to light pollution. Urbanization plays a significant role, as cities and towns have a high concentration of artificial lights. Poorly designed lighting fixtures that allow light to scatter in all directions contribute to the problem. Over-illumination, where more light is used than necessary, also adds to light pollution. Additionally, advertising signs and excessive out