Thousands have abandoned their homes in northern NSW and hundreds of people rescued from floodwaters as the remnants of ex-tropical cyclone Debbie bore down, dumping a staggering amount of rain on the region.
Human societies and a multitude of species are going to be tested by climate change in ways that are barely understood, a new study finds.
If you're wondering why battery storage is still on the fringe of the energy debate in Australia, and also perhaps why power prices are high, just ask Tony Marxsen, the head of the country's energy markets.
The world is 33 months into its biggest recorded coral bleaching event with little sign of it ending, raising the prospect that coral mortality on the Great Barrier Reef will increase "significantly" from the quarter already lost in the past year, scientists say.
What if the biggest government announcement in electricity generation in years was both a great breakthrough and a distraction?
Two resignations from the board of the Climate Change Authority come with criticism of the Turnbull government.
Australia's original climate change-focused think-tank and lobby group will shut after it failed to replace the multi-million-dollar bequest it relied on.
As parts of Australia set heatwave records and the government considered building new coal-fired power stations, the vast continent to the south last week quietly marked a milestone.
After years of failed promises, Victoria is on the cusp of getting its first large-scale solar power stations.
Less than one dollar in a thousand spent on health in Australia goes to one of the biggest threats facing the sector, a new paper finds.
The creation of a long-mooted national park on Melbourne's fringe could create up to 750 jobs by turning the area into an eco-tourism hub, an analysis has found.
Sydney has marked its hottest ever month, with extended warm spells setting records at all metropolitan sites.
Victoria and NSW have been warned they could follow South Australia in being hit by electricity blackouts in years ahead unless Canberra comes up with a bipartisan national plan to deal with energy and climate change.
Energy giant lodges its long-delayed application to develop the controversial Narrabri coal seam gas project.
Claims of a cover-up as a plant lost for two centuries turns up on a development site.
Coal mining in Sydney's water catchment could prove an early test for new Premier Gladys Berejiklian
Do big investments in solar energy point to a different future for the oil-rich nations of the Middle East?
Have a spate of bites and sightings up and down the NSW coast raised the odds that an attack awaits beachgoers this summer? Peter Hannam investigates.
At long last, April the giraffe gave birth on Saturday to a long-overdue calf as more than a million people around the world watched live.
The worst of Cyclone Cook is over, leaving some wondering: "Was that really it?"
Greenseas is under fire for selling tuna that's been caught using a destructive method.
Platypus, native water rats and other species are being killed by illegal traps left in Canberra's lakes.
Blue skies and mostly above-average temperatures are forecast across Sydney this Easter long weekend.
About 7000 years ago, gentoo penguins first came to Ardley Island in the South Shetlands chain just off the Antarctic Peninsula.
By snapping its enlarged claw shut at rapid speed, the shrimp creates a high-pressure bubble that collapses to produce one of the loudest sounds in the ocean.
Wildlife authorities are investigating an apparent case of animal cruelty in Albury, with three platypuses found dead in the botanic gardens.
The Queensland government is investigating water spills from the Abbot Point coal terminal into neighbouring wetlands as an expert predicts long-term environmental damage.
Unprecedented back-to-back annual coral bleaching events have affected two-thirds of the Great Barrier Reef, with this year's event already leading to mortality of half the corals in some key tourist tracts, scientists say.
Authorities are searching for poachers who killed a rare one-horned rhinoceros in the forests of southern Nepal and cut off the horn.
More rain could fall in Melbourne on Sunday than is usually recorded for the month of April with damaging winds and possible flash flooding also forecast.
The wisdom of a campaign by the Turnbull government emphasising the risks of moving too rapidly to renewable energy has been thrown into question by polling that suggests a majority of its supporters don't agree.
Australia's military is waking up to the prospect that more of its troops will be devoted more often to disaster relief.
India's $3 billion plan to clean the holy Ganges river is badly behind schedule with large stretches contaminated by toxic waste and sewage, and a 2018 deadline to clean the river is "impossible", according to government officials.
Try having no arms and eating a live octopus that's crawling around on your head with its tentacles.
Descendants of the creator of a beautiful and rare 'seaweed album' may be living in Melbourne or Sydney. If they are, the National Museum in Canberra wants to hear from them.
Paul Gallen has been making a right nuisance of himself down in Cronulla over the past two weeks.
The scale of water demand from Adani's giant coal mine in Queensland appears to be larger than expected, with the company seeking approval for a large additional flood-harvesting dam.
Angela Nutt, 89, is one of a handful of Lismore shopkeepers who survived the catastrophic floods unscathed.
The three-month old bilbys are the first set of triplets the Ipswich Nature Centre has ever had.
As residents and businesses clean up from the ravages of Cyclone Debbie, a second round of damage is hitting. Now insurers' shareholders and policyholders are feeling Debbie's blast.
Meet Charlie, the much-loved family pet who is now safely home after a near-death encounter with trains on the Illawarra line.
Extreme heat is a test. It tests people and the systems they rely on, not least the electricity system. So in a post-Hazelwood world, how will the national electricity grid cope during hot days as we seek comfort by cranking up our cooling systems?
Scientists reviewing video from camera traps watched dumbfounded as a seven kilogram badger worked four days to bury a 22-kilogram calf carcass.
The proposed Adani coal mine has been granted unlimited access to groundwater in a move farmers fear will allow it to drain huge amounts of water from the Great Artesian Basin.
The proposed Adani coal mine has been granted unlimited access to groundwater by the Queensland government.
Global warming will radically change our region, with massive military and humanitarian repercussions.
Three people from the same family are feared to be dead in a car that disappeared in floodwaters.
NSW Premier Gladys Berejiklian has warned insurers not to delay making payments to flood-hit regions of the state's north as the damage bill from last week's floods continues to rise.
Save articles for later.
Subscribe for unlimited access to news. Login to save articles.
Return to the homepage by clicking on the site logo.