Can the gold industry avoid "the sins of the past"?

Gold Fields CEO Nick Holland was a keynote speaker at the 2016 conference of the Australasian Institute of Mining & Metallurgy in Brisbane last week. His presentation examined the performance of the major gold mining firms over the past five years and asked whether the industry can avoid "the sins of the past" now that the gold price is stronger again. He shared these insights with CNBC Africa.