America's only cobalt mine opened last year to great fanfare, as the mineral is crucial for green energy. But it surprisingly closed just months later.
The U.S. Forest Service is in charge of millions of acres in Colorado's mountains, but their workers can hardly afford to live there. Now, the service is trying to build more affordable staff housing.
Phoenix has long been one of America's fastest growing cities. But central Arizona may finally be facing a reckoning as much of its groundwater supplies are becoming tapped out.
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By:
Kirk Siegler
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