In 1845, European potato fields from Spain to Scandinavia were attacked by the pathogen phytophthora infestans. But it was only in Ireland, then part of the United Kingdom, that the blight’s devastation reached apocalyptic levels, leaving more than a million people dead and causing millions more to emigrate. It was not until 2020 that the population of Ireland hit pre-Famine levels again. Padraic X. Scanlan covers how Ireland got to the point of the majority of its inhabitants being solely dependent on the potato crop […]