MINING.COM's ranking of the world's 50 largest mining companies based on market value shows an industry clawing back most of the covid-19 related losses by the end of the second quarter.

A global infrastructure spending push would mean a lot more energy metals will need to be mined.

The zinc and manganese used in the fertilizers were recovered, in the form of mixed metal dust, from single-use, disposable alkaline batteries.

Through its wholly-owned subsidiary, Disruptive Battery, Manganese X Energy is working on a system that circulates air disinfection agents inside buildings.