Expert panel calls for dramatic re-think on Reef
Expert panel calls for urgent action on threats to the natural wonder.
Environment
Turnbull government cuts Adani's Abbot Point turtle controls
The government has quietly axed environmental conditions aimed at protecting turtle species set to be affected by Adani's proposed $3 billion coal terminal expansion.
China to partly fund new CSIRO climate research centre
CSIRO's re-embracing of climate change research will be stressed on Monday when the national science agency announces a new centre partly funded by Chinese interests.
The man in the shadows who cost scores of Australians their solar dream
To consumers across the country who believed they were buying solar panels for their homes, he is the man who stole their savings.
What's going wrong in our deep blue and warming sea
Climate scientists warn Sydney will have tropical waters by 2040-60.
Queensland considers $320m royalty relief for Adani mine
Queensland holds door open to providing 'royalties holiday' for Indian mining conglomerate.
Businesses, households paid to use less power next summer
Businesses and households to be offered cash to use less electricity at peak times next summer.
The truth about your skyrocketing gas bill
Consumers are set to pay higher energy prices but it has little to do with looming "gas shortages", researchers say.
Gas surge hits power prices
Hazelwood's demise has triggered a surge in gas - and a prediction electricity prices will rise by up to 40%.
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.
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.
The real reason power companies block battery systems
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.
Fears that 'significant' coral mortality is still to come
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.
Energetic political row - but will there be light as well as heat?
What if the biggest government announcement in electricity generation in years was both a great breakthrough and a distraction?
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.
Climate Institute to shut due to lack of philanthropic support
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.
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.
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.
Early taste of summer on the way for Sydney as backburning risks being postponed
Following a mild Sunday with a top of 20 degrees, Sydneysiders can expect an early taste of summer on Tuesday and Wednesday when temperatures are forecast to hit 28 degrees in the city and 33 degrees in the west.
Smoky days ahead for Sydney before mercury begins to ramp up
Hundreds of firefighters will work to reduce the threat from bushfires before temperatures start to climb.
Beautiful but 'like wasps': Sea slugs actually have a hidden talent
Beneath the waves of Nelson Bay this weekend a band of divers will search the seabed on a now-familiar neon Easter egg hunt for the 15th Sea Slug Census.
'Mammoth' woes for power station at centre of political fight
The Hunter Valley power station at the centre of a political fight over energy is operating at well below half its rated capacity and is ill-equipped to have its operating life extended.
'Amazing stuff': This Delta flight raced Irma and won
Radar data of the plane's flight path offered a spectacular show for aviation enthusiasts.
'Hard and cruel' Hurricane Irma slams into Caribbean
The most powerful Atlantic Ocean hurricane in recorded history has made its first landfall in the islands of the north-east Caribbean.
Grass fire causes traffic chaos on Lane Cove Road
Traffic chaos and bus delays as Fire and Rescue NSW contains a grass fire.
Hurricane Irma shaping to be a perfect - but awful - storm
One of the most powerful hurricanes to develop in the Atlantic basin could hardly come at a worse time for the US.
Terrifying Hurricane Irma on a collision course with Florida
The powerhouse Category 5 storm packs winds of 300km/h, making it the strongest storm on Earth so far this year.
'He just spotted it, sunbathing': Why snakes could be coming to a backyard near you
Snake habitats are being reduced by urban development - and finding their way into suburban courtyards.
Fire authorities brace for 'elevated' risk across the east
An arc of eastern Australia ranging from western Victoria to central Queensland faces a more active bushfire season following another unusually mild and dry winter.
KEPCO investigation adds to hurdles facing Bylong mine
The NSW government has confirmed it is conducting an investigation into the Australian subsidiary of South Korean giant KEPCO that could affect the company's plans for a $1.5 billion coal mine in the Bylong Valley.
Fire destroys 350 hectares of bush in Kurnell
A fire has destroyed 350 hectares of bush in Kurnell in Sydney's south.
Expert panel has 'low confidence' in Santos CSG project
Santos's plan to develop coal seam gas in northern NSW has been found by an independent expert panel to lack key data that potentially underestimates impacts on threatened ecosystems and ground and surface water.
Koalas potentially the next victims of city's housing crisis
One of the state's healthiest koala colonies - and the last holdout of the animal in the Sydney region - is facing an increased threat
'Hazardous' air quality in parts of Sydney
As a haze hung over Sydney on Saturday, residents in parts of Sydney were warned to avoid outdoor activities as the air quality reached 'hazardous' levels.
Tonnes of carp removed during ACT waterways cull
More than 2000 carp were removed from Canberra ponds in the annual cull.
'Heat spike' this weekend as winter loosens its grip on city
Winter's grip will finally feel like it's loosened amid a "heat spike" this weekend - even if that season's squeeze was not a very tight one.
'Under attack': NSW accused of shedding park rangers, slashing budget
The NSW government has been accused of launching "the single biggest attack" on the National Parks and Wildlife service since it was set up half a century ago.
Spring in Melbourne is terrible. Here is the proof, in charts
If you live in Melbourne, this season of renewal and regeneration can suck. These are the main reasons why.
Return of shark nets at metro beaches revives tangled debate
Shark nets are back in the water for Sydney's beach but their effectiveness remains a contentious issue.
Spring outlook tilts towards wetter conditions eventually
Prospects are improving for a wetter-than-average spring for coastal NSW but the shift away from the recent dry spell may not occur until later in the season, the Bureau of Meteorology says.
States leave federal government in the shade
NSW has the most large-scale renewable energy projects under way in Australia, and lifted its share of clean energy markedly in the past year.
900,000 truckloads of dirt: Uncovering the Great Barrier Reef's secret
New techniques to identify and reduce the sources of sediment blanketing parts of the Great Barrier Reef have landed Andrew Brooks and his team at Griffith University's this year's Eureka Prize for environmental research.
'Can't be destroyed': Heritage listing for caves puts a stopper in dam proposal
The spectacular Cliefden Caves in central west NSW have been granted state heritage listing, almost certainly sparing them from a dam proposed for the region.
Harvey forces snakes and alligators to seek higher ground
With no Noah's Ark to ferry these animals away, they're showing up in some unusual spots.
Why a 'pirate' who's tried to stop whalers near Antarctica is stopping
Every year, Japanese boats with the word "RESEARCH" stenciled on the side head to the Southern Ocean to hunt for hundreds of whales.
Deeper carbon cuts for power sector would cut prices: RepuTex
A weak Clean Energy Target (CET) would shift the emissions reduction burden away from the electricity sector, undermine investor certainty, and potentially leave power stations pumping out pollution into the next century, according to analysis by RepuTex.
Sydney to be without main weather radar for more than a month
Sydney's main weather radar at Terrey Hills will be offline for more than a month for an upgrade ahead of this year's thunderstorm season.
Houston, you have a problem, and it's of your own making
As the oil and gas capital of the world, Houston should have known storms like Harvey were coming.