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.
A handpicked expert panel advising the federal government on its plan to protect the ailing Great Barrier Reef has warned the strategy does not address the greatest threat facing the natural wonder – greenhouse gas emissions – and called for a significant overhaul.
Climate scientists warn Sydney will have tropical waters by 2040-60.
Friday was Canberra's wettest day of the year but forecasters are calling it a "one hit wonder".
A severe weather warning has been issued for the Perth Metropolitan area and the South West and Great Southern regions as a heavy storm front bears down.
Striking the balance between environmental asset use and maximizing economic returns.
"There's a thousand different long range forecasters out there and I don't believe any of them."
Every 15 minutes, an elephant is killed by poachers in Africa. Despite this, there is new cause for optimism.
A former top oil, gas and coal executive says the government and opposition are failing the world.
Street smarts are the key to boosting the wild population of Tasmanian devils, scientists say.
James was used to seeing koalas in odd locations, but the one clinging to his bull bar took the biscuit.
Businesses and households to be offered cash to use less electricity at peak times next summer.
Consumers are set to pay higher energy prices but it has little to do with looming "gas shortages", researchers say.
Hazelwood's demise has triggered a surge in gas - and a prediction electricity prices will rise by up to 40%.
Researchers found that a bee could shed about 15,000 pollen grains in two minutes as it brushed itself clean.
A Kokoda veteran says Australia's future depends on winning the battle against giant coal mines.
Sydney's sparkling mid-May conditions will make way later this week for the city's wettest spell in more than a month.
The scale of Australia's untapped solar energy resources has been laid bare with a study of the City of Sydney finding as little as 1 per cent of the available rooftops equipped with photovoltaics.
Scientists assess the likelihood of a repeat of the "angry summer" of 2012-13.
Scientists exploring the abyss off Australia's east coast expect to see many new creatures.
Managers of Bayswater power station in the Hunter Valley provided staff with precise instructions on how to blend coal to avoid triggering pollution alerts, documents stretching across almost two decades show.
Mine rehabilitation plans for the proposed giant Carmichael coal mine in Queensland fall far short of best practice and will expose the environment and taxpayers to huge risks, according to anti-mine group Lock the Gate.
The NSW environment watchdog is investigating whether the state's coal-fired power stations have under-reported pollution.
Provisions to rehabilitate the state's 450 mines in NSW are inadequate, their required outcomes vague, and the risks of long-term failure are uncovered, according to a report by the Auditor-General.
Just what farmers will be allowed to clear is far from certain after the release of new codes.
Michelle Steele and Dennis Mitchell were hit with a string of charges, under the Australian Rules of Racing, following a Racing NSW inquiry into alleged horse cruelty and mistreatment at the Australian Turf Club's Mounted Security Division.
A $20m budget allocation will create a new invasive species research centre based in Canberra.
Pacific Ocean will switch from serving as a brake to an accelerator, a new paper warns.
The theme park made the announcement through Facebook saying the cub had died on Saturday, while the other one was doing well and bonding with its mother.
The Trump administration is reviewing former president Barack Obama's plans to curb climate change.
A new scientific paper has documented growing fluxes of greenhouse gases streaming into the air from the Alaskan tundra.
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