"We will never look back and regret a decision to protect such parcels of land in our communities."

The cap on kangaroo harvesting licences will increase the number killed.

"I call on the government to make it a priority to secure this land as an A-class reserve as was always intended."

For Markus Rex, this week's midwinter Arctic heatwave is the perfect justification for an ambitious climate research effort.

Sydney has most likely notched one of its five warmest summers, while some western suburbs will probably fall just shy of their hottest season on record.

The waters around the controversial Port Stephens’ fish farm is alive with dozens of large sharks that have moved in for a feeding frenzy amid concern more kingfish have escaped.

The buckling of weather in the northern hemisphere that has seen a relative Arctic heatwave and frigid conditions over Europe has a southern counterpart.

"Some councillors wanted to include a third option, which was 'do nothing'."

Perth's mildest summer since the turn of the century is about to draw to a close but don't expect things to cool right off just yet.

The chart that has climate scientists amazed, while Europeans are left bracing for the "Beast from the East".

"Paint cannot be defined as a structural element ... a car park is not landscaping."

A Turnbull government push to have Australia's "green investment bank" invest in so-called clean-coal technologies has hit a snag.

The government will decide within days whether to seek prosecution of "a number" of cases of alleged water theft.

How did your place fare in Canberra's floods?

Australian and US scientists - with US defence funding - have big plans for six islands in WA. But is gene technology a safe way to beat invasive species?

Coral reefs could start to dissolve as man-made climate change drives acidification of the oceans, scientists say.

Umbrellas will be needed during the morning commute on Monday.

Sydney got past the big dry 10 years ago, but some suburbs fare better than others.

A large water buyback when Barnaby Joyce was agriculture minister raises 'serious questions', says Rex Patrick, a Nick Xenophon Team senator.

Electric vehicles will not be a silver bullet as the ACT looks to cut transport emissions after 2020.

Sydney's long, hot summer looks set to leave with a sizzle and a sting in its tail.

Local communities in the far west of NSW remain "voiceless" over issues such as the health of the Darling River.

Wanted: discrete volunteers who can distinguish between a deep, double “woo-hoo” hoot and a “soft, deep, and continuous low oom oom oom” sound.

The fate of a 50-year-old national park in western NSW is "at the mercy of water managers", as the battle for the Murray-Darling Basin hots up.

The NSW government intervened to urge the purchase of water rights from a large irrigator on the Darling River that delivered a one-off $37 million profit.

• OPINION

Some will no doubt say that if you charge an EV from renewable sources the emissions are zero.

Researchers are trying to re-establish northern corroboree frog numbers.

• EXCLUSIVE

Property and waste magnate Balfour Irvine wants to develop a landfill at New Chum that would rival the nearby Cleanaway site, angering local campaigners.

Powerful winds battered Melbourne suburbs on Monday night, causing a cruise ship to get wedged up against a pier and dozens of trees to fall.