Australia's major cities will face water scarcity and the cost of drought to the nation's economy is likely to balloon without strong climate action, a new report has warned.

Plans to save the Great Barrier Reef are pointless in the face of the expansion of coal mining in the Galilee Basin. Thom Mitchell explains.

With dozens killed in Vanuatu, many more missing and tens of thousands left homeless, the Climate Council has released a report today on climate change.