In New England, 1816 was called the Year Without a Summer. Crops failed throughout America and, in Western Europe, it was even worse, with food riots and armed groups raiding bakeries and grain markets. All this turmoil followed a catastrophic volcanic eruption--a year earlier on the other side of the world--the eruption of Tambora, a blast heard almost a thousand miles away.
In When the Planet Rages, Charles Officer and Jake Page describe some...