focus on building wells, installing water purification systems, and improving sanitation infrastructure in schools, health centers, and rural villages. These efforts reduce waterborne diseases, improve hygiene, and dramatically lower child mortality rates.focus on building wells, installing water purification systems, and improving sanitation infrastructure in schools, health centers, and rural villages. These efforts reduce waterborne diseases, improve hygiene, and dramatically lower child mortality rates.focus on building wells, installing water purification systems, and improving sanitation infrastructure in schools, health centers, and rural villages. These efforts reduce waterborne diseases, improve hygiene, and dramatically lower child mortality rates.