By Bella Kasoa, Ghana — The rhythmic sound of metal pans scraping against coal pots fills the air as smoke rises above rows of makeshift food stalls. It’s just past noon, and 41-year-old Mama Esi fans the red-hot embers beneath her rice pot. “I’ve used charcoal for twenty years,” she says, squinting through the smoke. “It’s what I know. It’s what I can afford.” Like thousands of Ghanaians, especially women, Mama Esi relies on charcoal as her primary cooking fuel — a practice that’s deeply entrenched in culture, convenience, and cost. But beneath the crackle of flames lies a growing environmental crisis. A Nation Cooked on Coal Charcoal is used…