SUGAR LAND--February 15, 2013--Researched by Industrial Info Resources (Sugar Land, Texas)--Leading international mining group Rio Tinto plc (NYSE:RIO) (London, England) reported lower earnings for 2012, as diminished market prices more than offset improved iron ore production and shipments, as well as a recovery in copper prices in the second half of the year. Industrial Info is tracking more than $67 billion in planned and active projects involving Rio Tinto.