Letters: We are lucky to have Lake Michigan for our water needs. But challenges abound across the world.
Briefly

The Tribune published an article about how DuPage County is considering building its own pipeline to Lake Michigan, which could also serve other suburbs whose aquifers run dry in coming decades ( "DuPage County studies cutting city water pact," May 30).Then it published another article on costly energy-intensive desalination plants built for Barcelona, Spain ("Costly desalination quenches thirst," May 31).
Read at Chicago Tribune
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