For billions of people, the day begins with a cup of coffee — a ritual so embedded in human life that it has made coffee the second-most traded commodity on Earth. Now, the climate crisis is quietly dismantling the conditions that make that ritual possible, threatening to halve the world's suitable coffee-growing land by 2050. The two species that supply nearly all global consumption cannot survive the temperatures already arriving, yet nature has quietly preserved alternatives — heat-resistant, flavorful, and largely forgotten — that may offer a way forward if the industry finds the will to c