Core Viewpoint - Rio Tinto Group (NYSE: RIO) is currently considered one of the best undervalued stocks for investment opportunities [1]. Group 1: Joint Venture and Desalination Plant - On March 4, Rio Tinto Group and the Western Australian Government announced a 50:50 joint venture to complete both Stage 1 and Stage 2 of the Dampier Seawater Desalination Plant, which will deliver 8GL of desalinated water annually to the West Pilbara Water Supply Scheme [2]. - Construction of Stage 1 is underway, expected to provide 4GL of annual desalination capacity later this year, while Stage 2 will add another 4GL, with the first water anticipated in 2027 [3]. - The joint venture builds on a 2025 Memorandum of Understanding aimed at enhancing water security in the Pilbara region [4]. Group 2: Operational Segments - Rio Tinto Group engages in the exploration, mining, and processing of mineral resources, with operations divided into segments including Copper, Iron Ore, Aluminium, and Minerals [4].