Sparrow conservation using waste materials is a simple and eco-friendly way to protect these small birds. We can reuse waste materials such as plastic bottles, cardboard boxes, coconut shells, wooden scraps, and old containers to make bird nests, feeders, and water bowls. These structures provide sparrows with safe places for nesting, food, and drinking water. This activity not only supports sparrow conservation and biodiversity but also promotes the 3Rs—Reduce, Reuse, and Recycle. It helps students develop environmental awareness and encourages the community to protect local bird populations.