Invisible Cloud

On August 21, 1986, the farmers around Lake Nyos in Cameroon went to sleep in a silent valley. By morning, every living thing—1,746 people, 3,500 livestock, even the flies—was dead. There was no fire, no flood, and no violence. The killer was the lake itself. This book investigates the terrifying phenomenon of a limnic eruption, where a lake "burps" a massive cloud of carbon dioxide, displacing o...