Water pollution (Image: Stock.xchng/vriespde)
The health of Australia’s Murray-Darling river system, already shockingly poor, has just taken a turn for the worse. In the past month, tracts of wetland at the mouth of the Murray have become as corrosive as battery acid, forming a yellow crust of sideronatrite, a mineral that only forms in extremely acid soil.
This latest indicator of the river’s decline is detailed in reports to be released this week by the CSIRO Land and Water research institute in Adelaide, South Australia. For years drought and mismanagement have reduced water flows in the Murray-Darling system, altering…
