Explains the science and challenges of turning seawater into fresh drinking water. This short animation details why desalination isn’t widespread – covering salt removal methods, the high energy costs, and environmental impacts involved. Learners gain insight into global water scarcity and the engineering innovations needed to solve it. Skills: understanding a practical environmental technology and evaluating its pros/cons. Applications: connects to real-world issues of water resources, encouraging discussions on sustainable solutions and careers in environmental engineering.