The Year Without a Summer

The Year Without a Summer

Published: July 24, 2026

Duration: 1:06:41

In June of 1816, snow fell on Vermont and killing frost swept through New England in the middle of what should have been the growing season. Frost returned in July and again in August, the corn crop collapsed across the northern states, and families who grew their own food watched a year's survival vanish from the fields. Nobody in America knew why.

In this episode I trace the answer back 14 months and 10,000 miles to Mount Tambora in the Indonesian archipelago, where the largest volcanic eruption in recorded human history blew away the top mile of a mountain in April...