Waste management is one of the major environmental challenges facing many Nigerian cities. Rapid population growth, urbanization, and inadequate disposal systems have contributed to increasing amounts of waste in places such as Lagos, Abuja, and Port Harcourt. Many streets and drainage systems are often clogged with plastic bottles, food waste, and other refuse. During the rainy season, blocked drainage channels contribute to flooding, which can damage property and spread diseases. Poor waste disposal practices also create breeding grounds for mosquitoes and rodents, increasing the risk of malaria and other illnesses. One major reason for poor waste management is inadequate infrastructure. In some communities, waste collection services are irregular or unavailable. As a result, residents dump refuse in open spaces, rivers, or roadsides. Public awareness about recycling and environmental responsibility is also relatively low. The consequences extend beyond health concerns. Poor sanitation affects tourism, reduces the beauty of cities, and contributes to environmental pollution. Plastic waste in waterways harms aquatic life and can eventually enter the food chain. Improving waste management requires collaboration between government agencies, private organizations, and citizens. Authorities should invest in recycling facilities, increase waste collection services, and enforce environmental regulations. Schools can also educate students about proper waste disposal and recycling practices. If properly managed, waste can become an economic resource. Recycling industries can create jobs, generate income, and reduce environmental pollution. Therefore, effective waste management is not only an environmental necessity but also an opportunity for economic growth and sustainable development in Nigeria.