With political heat flaring the length of the Murray-Darling, there are fears the future of the fragile water sharing deal hangs in the balance.

Rare and endangered northern bettongs have been found in far north Queensland in an area where the animal was thought to have died out, environmental group WWF says.

It was back to the 1990s on the campaign trail as former leaders lent their support, while old tweets, solar subsidies and law and order also rated mentions.

The power company that provides a third of Queensland's electricity using some of Australia's most advanced coal-fired generators says new technology is not game-changing and clean coal is too expensive to operate.

Officials are racing to drain more water from a lake behind the battered Oroville Dam, as new storms begin rolling into Northern California.

Malcolm Turnbull is particularly critical of the SA Government for what he describes as its renewable energy scheme, but it's the Commonwealth's scheme, says energy expert Danny Price.

The "patchwork" of different renewable energy targets from the states and territories will "create widespread power system security problems", according to Danny Price, a respected expert who helped design Australia's national energy market rules.

More than 60,000 mines have been abandoned across Australia and there is evidence that only a handful have ever been fully rehabilitated, according to a report, raising concerns about how the land will be managed as the mining boom ends.

Rabbit owners are being urged to make sure their pet is vaccinated, as the South Australian Government prepares to release a new strain of the calicivirus.

Californians who were ordered to evacuate due to a threat from the tallest dam in the US can now safely return to their homes and businesses may reopen, authorities say, although a warning remains.

Australian engineering students building the next generation of faster, lighter and more efficient solar cars for this year's Darwin to Adelaide race are excited about a new IMAX movie that will showcase the event to an American audience.

The man who first documented Ediacara fossils, the late Dr Reg Sprigg, is again being recognised, with South Australia's first state fossil emblem named after him.

While endangered green turtle hatchlings have more than doubled on Queensland's remote Raine Island, scientists are still working to help the species in its battle against rising sea levels and overcrowding.

Bushfires, floods and heatwaves are the new standard in Australia, leading climate scientists say, but they are growing fatigued explaining it to people who cannot accept it or have a vested interest that means they do not want to.

Toshiba may have reached the end of the road, with the Japanese company delaying a release of its earnings report amid a huge one-off loss.

Energy experts say the West Australian Labor party must undertake a detailed feasibility study before backing a wave power farm in the Great Southern.

Tens of thousands of California residents remain in shelters as engineers work to shore up the tallest dam in the US before new storms sweep the region.

A Queensland scientist finds a new species of ant-eating spider and names it after a chance meeting with a new friend on Gumtree.

Massive cuts to Queensland's public service and government programs under the LNP administration of Campbell Newman were given a "pain" ranking, confidential documents reveal.

The first national audit of batteries that store solar power shows almost 7,000 were installed in Australian homes last year — and that's predicted to triple this year.

One of the country's largest operators of coal-fired power stations warns big bills are on the way after recent extreme weather and says renewables are the key to driving down prices.

Deep ocean trenches — considered the most remote places in the world — have levels of toxic, industrial chemicals 50 times higher than a highly polluted river system in China, an analysis of tiny deep-sea animals has found.

The UN Security Council condemns North Korea's ballistic missile launch and warns of "further significant measures" if Pyongyang does not stop nuclear and missile testing.

Thousands of dead bats drop from trees after temperatures top 45 degrees in parts of New South Wales.

Humans are driving the warming of the Earth 170 times faster than natural forces, according to a new mathematical formula.

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