Australia may be on the cusp of a new generation of electric cars, but could the production of environmentally friendly vehicles mean the loss of some of the NSW Clarence Valley's stunning mountainous forests?
Some Aboriginal elders have given their support for a mining operation on Lake Torrens in the Flinders Rangers, which holds a sacred place in Dreamtime legend.
A rebel Liberal MP says he "had no choice" but to cross the floor over debate on a contentious mining bill in South Australia's Parliament, leading to him being labelled as "destructive" and a "bloody fool".
Having bailed out of coal mining, Rio Tinto showers shareholders with the proceeds in the form of a record half-year dividend.
Steel magnate Sanjeev Gupta is seen by many as Whyalla's saviour — now he is planning yet another major investment in the city.
A variety of events ranging from US sanctions against Russia to Chinese central bank policy easing conspire to send global commodity markets soaring.
The world's biggest miner says US corporate tax cuts have taken a big chunk out of its bottom line, after its net profit for the second half of last year was down 37 per cent on 2016's figure.
Although Rio Tinto reported weak copper production results, it exported more iron ore than expected in the September quarter.
Strong than expected export demand is driving up new business and confidence in China's factories, but one economist says there are signs the current strength "cant be sustained for long".
BHP swings back from last year's massive loss to a $US5.9 billion ($7.4 billion) profit, but its earnings look to have seriously missed analyst expectations.