Is desal one lesson of Australia’s “big dry”?

At April’s “Implications of Lower Lake Levels” symposium, Brad Udall talked about the importance of the Australian example for the western United States. From 2000 to 2010, Udall said, parts of Australia experienced 40 to 50 percent reductions in river flow, which said has profoundly changed societal discussions about water. Australia’s “big dry” may be …

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