This document discusses temperature controlled shipping, or cold chain, for pharmaceuticals. It introduces cold chain and explains that pharmaceuticals need to be maintained within a specific temperature range during shipment. It then discusses challenges in cold chain shipping, such as choosing the correct shipping system based on weather conditions. The document proposes a tool that would allow users to enter shipment dates and locations and utilize historical weather data to determine weather conditions and recommend appropriate shipping systems. It provides examples of how sales managers, pharmaceutical companies, and inventory managers would utilize features of the proposed tool.