In April 2017 The Electronic Industry Citizenship Coalition (EICC) published its Responsible Raw Materials Initiative (RRMI) to include cobalt. Apple has already begun to include cobalt to its responsible sourcing programme.
To read the EICC report click here, http://www.eiccoalition.org/media/docs/RRMI-Cobalt.pdf , and to visit its website click here: http://www.eiccoalition.org/initiatives/rrmi/