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.
Coal-related pollutants continue to rise at many of the country's biggest mines, power plants and export facilities, prompting demands for stricter controls to limit health damage costing billions of dollars a year.
A cyclone the size of Debbie would have catastrophic consequences on the Gold Coast, new modelling has shown, as climate change pushes cyclones further south and building codes fail to keep up on the high-rise strip.
Japan's whaling fleet has returned from its Antarctic hunt in the name of scientific research with 333 minke whales, despite international criticism.
Want to meet an alien? Diving with an octopus is the closest you're likely to come.
A commercial scallop fishing company in Port Phillip says it will be forced out of business after the state government dramatically cut its catch limit this week.
A second colony of Norfolk Island green parrots will be established after a campaign exceeded its $77,000 fundraising goal.
Increasing numbers of exotic snakes, many poisonous, are slipping unseen into Australia by plane, ship and the mail, prompting a new plan to stop more coming before they threaten native flora and fauna.Â
NSW floods continue to wreak havoc, with new evacuation orders expected later on Saturday.
What can be done to make sure the national electricity grid runs smoothly, not just next summer but in future summers as more coal plants inevitably shut and we move to a cleaner electricity grid?
Torrential rain has flooded towns and cities in northern NSW, with fears lives have been lost.
Stacy Smith's family were forced to quit their new beachside home after mould rotted the carpet of one of the children's bedrooms and infiltrated the walls and ceiling, resulting in dangerously high levels of mycotoxins.
Sydney copped almost triple the usual rainfall in March and the sodden conditions are likely to extend well into April, the Bureau of Meteorology predicts.
The widespread flooding in northern NSW has prompted the Insurance Council of Australia to add the region to its catastrophe declaration in the wake of Cyclone Debbie.
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.
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.
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.
Many of us are using charity shops as rubbish dumps. It's not OK.
For years, the United States pushed China to commit to limiting its fossil fuel use. The countries now look likely to switch roles.
For those who chase severe storms the thrill of the chase is tempered by danger.
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 and coastal regions are in for their share of wild weather as an arriving cold front meets the remnant tropical low from Cyclone Debbie.
Queensland begins mopping up after Cyclone Debbie hit the coast, cutting a path of destruction and the ex-tropical storm isn't done yet.
No matter what the US president does, the physics and chemical impacts of burning coal, oil and gas are uncontroversial.
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 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.
Latest on the category 4 storm as it heads for the north Queensland near Bowen.
A juvenile shark has been rescued and returned to the sea after it was found in ocean baths in Sydney's northern beaches.
When it comes to climate change, sitting on the sidelines is no longer an option, says renowned scientist David Suzuki and his coauthor Ian Hannington.
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