The seemingly miraculous life-giving properties of water in Australia's parched heartlands are the subject of a documentary on ABC TV, featuring UNSW's Richard Kingsford.
An extra 600,000 megalitres of water needs to be returned to the Murray River to avert an environmental disaster in its lower reaches, a scientific review has found.
The largest ever survey of the health of Australia's vital wetlands is underway, with a team of UNSW environmental researchers conducting a special aerial survey of waterbirds across the entire continent.