Sea ice spread around Antarctica hits a record low
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.
Environment
Victoria to get its first large-scale solar plants
After years of failed promises, Victoria is on the cusp of getting its first large-scale solar power stations.
The health threat that is 'falling through the cracks'
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.
National park could be jobs boon, say consultants
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 marks hottest month ever with every site setting records
Sydney has marked its hottest ever month, with extended warm spells setting records at all metropolitan sites.
Warning of future blackouts as politics rules energy debate
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.
Santos lodges controversial CSG plans, igniting 'massive battle'
Energy giant lodges its long-delayed application to develop the controversial Narrabri coal seam gas project.
Lost and found
Claims of a cover-up as a plant lost for two centuries turns up on a development site.
Mining plans for Sydney's catchment pose Gladys a 'crucial test'
Coal mining in Sydney's water catchment could prove an early test for new Premier Gladys Berejiklian
Wide Gulf between rhetoric and reality for fossil fuels and renewables
Do big investments in solar energy point to a different future for the oil-rich nations of the Middle East?
Shark!
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.
Sirens sound in Lismore as levee cracks and city floods
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.
Vatican says Trump risks losing climate change leadership to China
The Vatican has urged US President Donald Trump to listen to "dissenting voices" and reconsider his position on climate change, saying the United States risked losing its environmental protection leadership to China.
NSW floods live coverage: Lismore, Northern Rivers hit in Cyclone Debbie aftermath
Torrential rain has flooded towns and cities in northern NSW, with fears lives have been lost.
Climate change pushing humans, other species to the brink: new study
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.
'Heroin'-injecting fish offers high hopes for new painkillers
A fanged coral reef fish that disables it rivals by delivering a dose of heroin-like venom could one day cure your pain, researchers say.
Wet and wild conditions ahead for Sydney as ex-Cyclone Debbie drifts south
Sydney is in for a sodden end to what is likely to be its wettest March in 42 years as a strong cold front bumps into the remnants of powerful ex-tropical Cyclone Debbie.
Sustainable Style: What happens to the clothes you donate to opshops?
Many of us are using charity shops as rubbish dumps. It's not OK.
China poised to take lead on climate after Donald Trump's move to undo policies
For years, the United States pushed China to commit to limiting its fossil fuel use. The countries now look likely to switch roles.
Three storm chasers die in crash while pursuing tornado in Texas
For those who chase severe storms the thrill of the chase is tempered by danger.
What we'll do to keep the lights on post Hazelwood: grid operator
As the giant Hazelwood coal plant turns off the last of its units, the national electricity grid manager has sought to reassure the public it is taking steps to ensure the lights stay on when demand soars next summer.
Sydney weather warning issued in wake of Cyclone Debbie
Sydney and coastal regions are in for their share of wild weather as an arriving cold front meets the remnant tropical low from Cyclone Debbie.
Cyclone Debbie: Queensland cleans up as storm moves inland
Queensland begins mopping up after Cyclone Debbie hit the coast, cutting a path of destruction and the ex-tropical storm isn't done yet.
Trump's anti-climate plans won't fool nature
No matter what the US president does, the physics and chemical impacts of burning coal, oil and gas are uncontroversial.
Gore shows trailer for An Inconvenient Sequel as Trump trashes climate rules
The film focuses on events from flooding in Miami and the Philippines, the worst drought on record in Syria, to air pollution so bad in some parts of China that life expectancy has declined by six years.
Spiders could eat every human on earth in one year and still be hungry
Spiders are quite literally all around us. A recent entomological survey of North Carolina homes turned up spiders in 100 per cent of them, including 68 per cent of bathrooms and more than three-quarters of bedrooms.
Cyclone Debbie hits the Queensland coast
Latest on the category 4 storm as it heads for the north Queensland near Bowen.
'Warning, pool closed, shark in pool': Surprise find in Palm Beach rock pool
A juvenile shark has been rescued and returned to the sea after it was found in ocean baths in Sydney's northern beaches.
'Taking us backwards': NSW environment policies under scrutiny
The NSW coalition government is failing on most of its environmental policies, robbing a key climate fund to bankroll land-clearing and leaving marine regions unprotected, according to eight green groups.
Canberra 'spared the worst' of thunderstorm
Emergency services in Canberra received 24 calls for help on Monday night as a thunderstorm heading east faced its last moments.
'The water moves at great speed': The big threat from Cyclone Debbie
It's the storm surge not the wind that poses the main risk for residents living in Debbie's path.
British antiques dealers dodge post-1947 ivory trade ban, report finds
A study has shown that three-quarters of antiques dealers admit being aware of illegal trading, knowing colleagues or auctioneers who sell modern ivory by passing it off under the guise of still-legal pre-1947 artefacts.
Premature baby hippo Fiona is growing up, zoo says
She now tops 45 kilograms, meaning her days of napping on her human caretakers' laps are dwindling.
Greens want electricity crisis taken out of politicians' hands
The Greens are pushing for a new public authority to take responsibility for Australia's beleaguered electricity system out of politicians' hands.
On cloud nine – and then some – as new global atlas released to please geeks
Clouds have fascinated and frightened shepherds and seafarers alike and now modern-day weather geeks have a new event to celebrate – the first updated international cloud atlas in six decades.
Sydney's wettest March in 33 years at least a plus for mushroom hunters
March has not just been great weather for ducks - but also for mushroom pickers.
Turnbull rejects Abbott call for subsidy to keep Hazelwood open
Calls for an extraordinary government intervention to keep the ailing Hazelwood coal power plant open have been rejected by Prime Minister Malcolm Turnbull, who said its closure would not affect electricity security.
Business calls for 'emergency intervention' on Hazelwood closure
A leading national business group has called on Canberra and Victoria to consider an unprecedented "emergency intervention" to keep the Hazelwood coal power plant running.
Twin blasts for Turnbull government over energy and climate policies
Two resignations from the board of the Climate Change Authority come with criticism of the Turnbull government.
The $6b-a-year asset that is dying on our watch
The Great Barrier Reef is dying on our watch, and that's almost all we're doing.
Storm mop-up gets under way - but more rain to come
Hundreds of Sydney home owners will be out inspecting damage to their properties on Thursday with rain and even a possible storm hindering the clean-up.