Water scarcity is a growing problem across the world. John H. Lienhard V and his team at MIT are exploring how to make renewable energy more efficient and affordable. Mechanical engineers and nanotechnologists are looking at different methods, including solar desalination.

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Author: John H. Lienhard V is the Abdul Latif Jameel Professor within the Department of Mechanical Engineering at MIT.

Image: A desalination plant is pictured. REUTERS/Julie Gordon.