Disposal of waste refers to the safe and systematic management of waste after it is generated, collected, and processed. It includes the methods used to remove, treat, recycle, reuse, or finally dispose of unwanted materials in a manner that protects human health and the environment. Waste may be solid, liquid, or hazardous and can originate from households, industries, hospitals, institutions, markets, and other sources. Proper waste disposal is an important part of maintaining a clean, healthy, and sustainable society. Waste segregation means separating waste into different categories at the point where it is generated. Commonly, waste is divided into biodegradable or wet waste, recyclable or dry waste, hazardous waste, and sanitary waste. Biodegradable waste includes food remains, vegetable peels, and garden waste, while dry recyclable waste includes paper, plastic, glass, and metals. Hazardous waste may include batteries, chemicals, medicines, and electronic waste. Sanitary waste includes used sanitary products and other materials requiring special handling. Segregation of waste is necessary because different types of waste require different methods of treatment and disposal. When all waste is mixed together, recyclable materials become contaminated and difficult to recover. Food and other organic waste can make