How one startup is recovering copper from old mines that were left for dead in the 1980s

SiTration, spun out of the Massachusetts Institute of Technology, thinks it has a novel solution to address a looming copper shortage.

[Source Photo: Getty Images]

In central Arizona, about 90 miles east of Phoenix, an old open-pit copper mine sits full of water. 

The mine closed in the 1980s, left to accumulate rain and........

© Fast Company