Breadcrumb Trail LinksBusinessNewsLocal NewsSome entrepreneurs hope the yawning gap between copper supply and skyrocketing demand could be filled, at least in part, in mine tailings.Published May 22, 2026  •  Last updated 43 minutes ago  •  4 minute readMohammad Doostmohammadi, founder and CEO of mining technology startup pH7 Technologies, has raised a Series B round of financing to continue building out his technology for extracting critical minerals from industrial waste and mine tailings, which he is betting can help fill gaps for metals important to the energy transition, particularly copper. Photo by Derrick Penner /PostmediaArticle contentWith his shock of prematurely whitened hair…