The Turnbull government has ratified the Paris climate agreement, formalising Australia's commitment to a global effort to curb carbon emissions and reduce the risk of dangerous climate change.
Development in Sydney's coastal wetlands will become more difficult as the Baird government moves to tighten controls over ecologically sensitive regions.
The Baird government is on the cusp of "gutting" environment protection in the state, opponents say.
Record hot years such as last year's global scorcher will become the norm before 2030 unless greenhouse gas emissions are curbed, a new study by Australian researchers has found.
Chicken Littles may be on to something when it comes the effects of global warming.
The truth about Hazelwood is that it was never meant to last this long.
Australia's federal fisheries authority is exploring an ambitious plan to stream live footage from fishing vessels in a bid to improve its ability to respond to controversial reports that nets are killing endangered marine animals.
Bushfires are not Sydney's biggest disaster threat
Sydney could be in for a thundery afternoon as a series of storm cells move in from the Blue Mountains.
There are as many orchids species on Black Mountain as there are in the whole of Great Britain.
A cool change on Tuesday is expected to bring both relief and anxiety to the hundreds of firefighters battling blazes along eastern NSW.
You've heard of the expression to run like the wind. Well in Melbourne last month, the wind didn't run - it flew. But exactly how far did Melbourne's persistent spring winds travel? Put it this way: if you hitched a ride you'd need a passport.
More than 100,000 households in the Sydney region and surrounds are exposed to high bushfire risks.
A major bushfire continues to burn out of control in the Port Stephens area in the NSW Hunter region.
Bogong moths aren't just a marauding horde invading our houses, hot water systems and halls of power - they are a superfood that tastes a little like "charred pork fat".
Mask-wearing protesters took to the streets of the Indian capital on Sunday as the city remained blanketed under a cloud of toxic smoke.
Divisions within the Baird government over its controversial native vegetation reforms are emerging, with a Liberal MP Bruce Notley-Smith warning they could trigger "further irreversible land degradation".
A couple's stay on Crown land at Lake Pamamaroo has lasted 11 years. Now they are being threatened with eviction.
Australian farmers are finally having a golden moment: prices are high for wool, lamb, beef and goat and there has been more rain across Australia than there has been for more than 15 years.
Sydney is bathing in the sunniest spell for this time of year since 1980, pushing the mercury to summer-like highs.
Taronga Western Plains Zoo in Dubbo has trumpeted its credentials as a conservation centre by announcing the birth of its first Asian elephant calf.
The world can't afford to be building new fossil fuel-burn plants, a UN scientist says.
Hazelwood power station will operate until the end of March next year and then shut down quickly after that, workers have been told.
Baird government cops a blow just days before it plans to revise the state's native vegetation laws.
On the night of November 14, wander outside and gawk up at the sky.
What you need to know about the impending decision to shut Victoria's dirtiest power station.
Baird government sets an 'amazing' goal, breaking ranks with its federal counterpart.
The British government broke the law by failing to deal with air pollution, a High Court judge has ruled.
Steve Young said he wasn't afraid the snake would bite him because it had its mouth full.
The walls of Kathy Holmes' house on Lake Menindee are moving with thousands of wolf spiders as a torrent of water thunders into the lake.
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