On this edition of ST, an interesting chat with Prof. Ryan Perroy, who teaches in the Dept. of Geography and Environmental Science at the University of Hawaii at Hilo. Prof. Perroy is currently visiting Tulsa, and he stopped by our studios to discuss how he studies and tracks various challenges associated with climate change in Hawaii, including rising sea-levels, warming temperatures, coral bleaches, and so on. He also speaks about how he and his colleagues employ state-of-the-art technology -- including drones -- to monitor these challenges.