The 2024 IBO Report highlights the significant impact of weather events, particularly El Niño, on the global blueberry market in 2023. As the first article in a series aims to provide an in-depth analysis of the value chain disruptions caused by these events, it focuses on the severe weather challenges faced by key production regions, including Peru, Mexico, Morocco, South Africa, and the Pacific Northwest of North America. These weather events have led to supply shortages, affecting consumer patterns and market dynamics. The article underscores the importance of sourcing strategies and the need for diversification in response to these challenges. Additionally, it discusses the role of demand and consumer behavior in market resilience, featuring the U.S. as an example of market elasticity. Furthermore, the article touches on the implications of planting new varieties that better withstand adverse conditions, such as those affected by hot temperatures, in efforts to mitigate the effects of future weather-related disruptions.