Water Issues
Australia seeks to limit ocean 'geoengineering'
TOM ARUP Australia has launched a bid to stop the commercial use of a controversial ''geoengineering'' technique that involves dumping iron into the ocean in a bid to counter the effects of man-made climate change.
Arctic policy at a thaw point
Flavia Krause-Jackson The melting ice cap will redraw the political map.
Green groups call for a halt to development in the Great Barrier Reef
Sarah-Jane Collins The federal government must refuse any further development applications in the Great Barrier Reef area if it wants to avoid the world-heritage-listed site being classifed as "in danger" by UNESCO, environment groups say.
Report reveals desal plants' thirst for energy
Energy is the largest single expense for desalination plants, accounting for as much as half of the costs to make drinking water from the sea, according to a report.
BHP's river clean-up too slow for some
PETER HANNAM Miner BHP Billiton has been given until the end of 2016 to halt most of the pollution discharged from one of its coal mines into the Georges River south-west of Sydney, a verdict that has split environmental groups.
US energy supplies imperiled by water shortages
John Kemp The on-going US drought is revealing the vulnerability of energy plants to a lack of water.
Darling Harbour among most polluted
Sarah-Jane Collins Darling Harbour is so choked with litter, much of it under piers and walkways out of the public eye, that it is one of the most polluted areas in Sydney, a new report says.
