Rinehart bids $591m for Riversdale.
Australia's coal future under threat as more changes hit polluters globally.
Higher prices and export volumes supported a record high $66 billion in export revenue.
Metallurgical coal should generate $41.1 billion in revenue from exports.
For the past two years coal exports have been the anchor for Queensland's strong export performance....
Australian thermal exports increased 2%, while lower-quality Indonesian coal exports rose 12%.
Critics should do their homework on the global coal export market and how Aussie coal stacks up.
Coal surges 60%.
At risk is some portion of the 8 million tonnes per annum of Turkish coking and PCI coal imports.
Coal royalties reached a record $3.768 billion in Queensland.
Hunter coal outlook good for business.
Coal exports are having a resurgence.