we can revegetate and it nobody will ever know it was here. >> reporter: this new jervois project willd states exclusively focused on clmears. at first it's just dnthacarriesh thdie ne gs rily quiet. until -- >> what they're doing is like a lab? >> each hole penetrates our ore body and tells us something about how much cobalt and copper and the width, the thickness of that. >> what we're seeing, it's still worth it to go in and get it? >> absolutely. >> cobalt, especially now, has had a rise? >> it's had a rise. it's a volatile metal because of the way the market works, but it has had a rise. we believe it's going to continue to be in demand. >> reporter: the demand for electric cars and better batteries is hotter than ever, making minerals like cobalt highly in demand around the globe. more than two-thirds of the world supplies of cobalt come from the democratic republic of congo. china has been strategic in working with partners in the congo to secure rights to those mines. they currently own 15 of the 19 cobalt-producing mines in the drc. there have been a lot of reports of child fo