Danish scientist Mette Bendixen thinks the island could become a global provider of sand, which is being released in large quantities as its glaciers recede.

As veganism gains in popularity, it has also become more political, sparking a struggle between moderates and zero-tolerance purists.

Professor Geoffrey Blainey is no stranger to controversy. Now he's challenging the view that today's climate change is either unique or largely the result of human behaviour.

Residents in south-west Sydney have been warned to look out for a hungry boa after the snake's freshly shed skin was found on a construction site. 

Australia faces an increased risk of heatwaves and bushfires this summer, particularly in dry eastern regions, with conditions worsened by the deepening drought.

Miriam Vale, which was close to running out of water, enjoyed the highest falls in Queensland overnight.

Girls possess a valuable quality of encouraging people to use their voices for what they believe in and empowering others around them. Not every girl has to lead, but through the many conversations they have every day, they spread the message and make people believe in a power everyone possesses in...

25 years ago, the Herald reported on a comprehensive climate change study that found "the warming is real" and more dramatic than previous estimates.

Young people from drought-affected communities have gathered to talk about solutions.

The Radiata Plateau, 300 hectares of Blue Mountains bushland, will be be incorporated into the NSW national park reserve system.

Police took the Extinction Rebellion protesters into custody one-by-one as they staged a sit in on Broadway, near Railway Square in Ultimo, while onlookers cheered.

Volkswagen named 67 people it believed were involved in the 2015 emissions cheating scandal that rocked the industry in documents for now-settled Australian class actions.

The news got just a little happier this week for an elephant who has been kept in captivity in a New York zoo for four decades.

Australians are looking to the government to take national and global action to reduce greenhouse gas emissions and stop the terrifying advance of climate change.

Sydney and NSW's year included dust storms, diving dam levels, heatwaves, fish kills and the eruption of mega bushfires and incessant smoke haze.

Watering with a bucket forces you to choose which plants to save and which plants to kill.

Fausta, a female black rhino, died of natural causes while in a refuge in the Ngorongoro Crater.

A southerly wind change will bring cool air late on New Year's Eve and into the first morning of 2020.

Plastic microfibres from clothing have found their way into fish ... and into humans who eat fish.

The pond will eventually re-fill but it will take years for the ecosystem to recover.

Are sharks blood-crazed man-eaters, or more like curious dogs? Before you go back in the water, try looking at yourself through the eyes of a great white.

Sydney will experience a comfortable 29 degree day but temperatures across western Sydney and on the city's fringe are likely to top 35 degrees.

48 walkers booked into cabins doesn't sound like the bushwalking I'm used to. But it may help save our national parks - if we can change our ways.

Intense heatwave conditions are forecast this week, but 'it's not so much how hot will it get, as how cool won't it get.'

Australia, with its enormous sunny interior, could be the world leader in the development of synthetic kerosene and capture the market.