The field of historical climatology has enabled historians to combine analyses of written sources with data about the ecological environment of the past. Thus, we know that at the beginning of the fourteenth century, a prolonged period of temperate climate was followed by a devastating period of lower temperatures and substantial changes in precipitation in the Northern Hemisphere that wiped out crops and led to widespread droughts and famines. Many were forced to migrate in search of the basic necessities of life. All images referenced in this podcast can be found at https://openstax.org/books/world-history-volume-1/pages/16-2-famine-climate-change-and-migration Welcome to A Journey into Human History. This podcast will attempt to tell the whole human story. The content contained in this podcast was produced by OpenStax and is licensed under a Creative Commons Attribution License. Access for free at https://openstax.org/books/world-history-volume-1/pages/1-introduction Podcast produced by Miranda Casturo as a Creative Common Sense production.