By Kwame Tumu, Upper West Ghana — At 5:15 a.m., 13-year-old Mabel Kuunu sets off with a yellow gallon balanced on her head. She walks two kilometers to a muddy stream — the only source of water her village has known for generations. By the time she returns, she’s missed her morning lessons at school. “We use this water for everything,” she says, “even though it tastes bad.” Despite Ghana’s middle-income status and ambitious development goals, access to clean and safe drinking water remains a daily struggle for millions, especially in rural areas. In some places, water is not just scarce — it’s a luxury. The Water Access Landscape According…