Unprecedented severe heat is becoming more common in our cities, but the mercury could top 50-degrees on our worst days in the future.

The pink-tailed worm-lizard is classified as a vulnerable species.

The Greens called for a legislated national target of 20 gigawatts of energy storage technology such as large battery installations.

India's former environment minister says he's appalled by Australia's decision to approve Adani's massive new coal mine in Queensland, and the company's record in environmental management in India "leaves a lot to be desired".

It was a moment made for a Hallmark movie.

A new report reveals which swimming spots are cleanest and which ones you should avoid.

A group of hikers have stumbled across a rare sight of three eastern brown snakes romping in the grass at Tidbinbilla Nature Reserve in Canberra.

Jairam Ramesh says the mine in Queensland would threaten the survival of the Great Barrier Reef.

Desperate Pacific islands at risk of sinking beneath the sea say Australia is "stuck in the Dark Ages" by relying on fossil fuels, in response to alarming data showing this nation's energy emissions have hit record highs.

Problems from the rapid development of a $70 billion gas industry will dog its future rollout.

"We've broken an enormous number of records across NSW," says a Bureau of Meteorology climatologist.

The government wants to remove provisions that protect critical endangered species.

Australia will fall dramatically short of its Paris carbon reduction targets signed under Tony Abbott, unless it vastly increases its renewable energy usage.

Australia had its hottest winter on record, with temperatures up by 2 degrees on average and it is related to worsening climate change, a leading scientific group says.

The record-breaking heat comes as a warm air mass, which drove temperatures in the state's inland regions over 40 degrees on Wednesday, heads towards the coast.

A new survey shows 21 per cent believe climate change is a hoax perpetrated by scientists, and more than a third think Earth has been visited by aliens.

A whale as well as a large number of white, bull and bronze whaler sharks were spotted near the bait ball.

The likely eruption of Bali's Mount Agung has "potential for major impacts" depending on the scale of the explosion, according to a member of a team at Australia's Bureau of Meteorology that is preparing to assess whatever ash cloud is thrown up by the volcano.

Sea ice around Antarctica has swung from a record large maximum area covered to a record low in just three years, in a shift that could have implications for the global climate.

What would Barnaby Joyce say? #carplove20

Sydneysiders are turning on the sprinklers to save their withering parks and gardens amid temperature spikes and the city's driest spell in more than a century.

A large excavator has started digging up an 18-tonne humpback whale buried at Port Macquarie's Nobbys Beach.

Beaches on the north coast of NSW have reopened despite an 18-tonne humpback whale carcass decomposing nearby.

There's liquid gold in those hills in the form of pumped storage potential – but not necessarily in the Snowy mountains.

Sydneysiders can soon breathe a sigh of relief as the weekend's heatwave will give way to milder spring days.

Barely one in five voters surveyed want to see the Liddell power station's life extended, a poll has found.

As much as 40 per cent of NSW is expected to set September heat records on Saturday as bushfire crews brace for a busy afternoon.

Canberra smashed a 52-year-old weather record on Saturday, getting an early taste of summer

As temperatures climb on another early-season total fire ban day for much of NSW, the latest fuel moisture maps show the region around Sydney is at least as dry as during big bushfires in 2013 - but three weeks earlier in the year.