Apple has published their annual sustainability report, now titled the "2011 Supplier Responsibility Progress Report" that focuses on two areas the company has come under fire for neglecting: worker treatment and environmental stewardship. The company moved in 2010 to implement more extensive audits both inside and outside the factories, and claims significant improvements; Apple also examined the various metals and smelters involved in its production more closely to ensure they are as free as possible of so-called "conflict minerals" (ie, mined or obtained to fuel p