"The Mad Planet" by Murray Leinster is set in a distant future where humanity has adapted to a drastically changed Earth, dominated by massive fungi and poisonous air due to rising carbon dioxide levels. The protagonist, Burl, is a young man from a primitive tribe that has regressed to a savage existence, living in a world where sunlight is obscured and the landscape is filled with monstrous fungi and oversized insects. Burl, a descendant of a once-civilized humanity, navigates this hazardous environment, struggling for survival and food. He discovers a sharp weapon from a beetle and attempts to hunt fish in a river, leading to a near-death experience with a giant crayfish. Despite the dangers, Burl's instincts drive him to seek food, and he captures a fish, which symbolizes a potential shift in his tribe's way of life. As he floats downstream on a fungus raft, Burl reflects on his isolation from his tribe and his feelings for a girl named Saya. The story explores themes of adaptation, survival, and the remnants of human civilization in a world transformed by environmental catastrophe.
By Murray Leinster · First published 1955 · Genre: Science Fiction, Adventure, Fantasy