ViewpointsOpinionFresh Water: The World’s No. 1 Environmental ChallengeSavePrintThe Carlsbad, Calif., desalination plant on Sept. 4, 2015. AP Photo/Lenny IgnelziJohn Paul Micha5/17/2022|Updated: 5/18/2022CommentaryMankind’s most useful environmental improvement would be to increase clean, fresh water supplies.Share this articleLeave a commentJohn Paul MichaAuthorDr. Micha is a retired gynecologic oncologist, cancer researcher, and entrepreneur. Author’s Selected ArticlesOil Toxicity: Examining the EvidenceJun 02, 2022False Climate Computer ModelsMay 17, 2022Related Topicsfresh water