The document discusses caring for one's neighborhood through lessons on school helpers, community helpers, trash and recycling, and keeping air and water clean. It notes that teachers, librarians, nurses, and custodians help at school. Firefighters, police officers, trash collectors, and emergency medical staff help the community along with hospitals and doctors. The document encourages throwing trash in cans and recycling plastic, glass, metal and paper. It identifies trash, dirt, germs and pollution as threats to water quality and advises against drinking dirty water.