The global pistachio market is expected to face a shortage in the 2021/22 season due to a decrease in production in the United States and Iran, the two major exporters of the nut. The decrease in production is attributed to climate change and the variability in pistachio fruiting. Despite these challenges, the United States is expected to have a high yield, while Iran's harvest is expected to decline significantly due to damage from spring frost and summer heat. This will result in a decrease in the supply of pistachios to the world market, as both countries will produce less than last year.