"I stopped to turn my bike around and went a bit closer towards them to try and get a photo and one started running for me."

More than 45 countries, mostly developing nations, have said they will switch entirely to renewable energy as soon as possible.

Like the thousands of waterbirds he tracks every year, Professor Richard Kingsford migrates annually to NSW's Macquarie Marshes to witness a "great sight of nature: tens of thousands of waterbirds breeding in wetlands".

The Federal Government had consigning the mighty Murray to a "certain slow death" by reneging on a promise to increase environmental water flows, South Australia's environment minister Ian Hunter said on Friday morning.

A Queensland bird expert believes he may have witnessed the start of an evolutionary change in the nesting behaviours of crows after one pair's "terrible attempt" outside his office.

After several years of work, scientists are reporting remarkable results, and hope the research might help alleviate global poverty.

A man has attempted to throw a net over Premier Mike Baird as tensions boiled over in Ballina after the installation of the first shark nets in the region.

Something is off. The Arctic is superhot, even as a vast area of cold polar air has been displaced over Siberia.

Scientists know a tide gauge at Kaikoura rose 90 centimetres during Monday's magnitude-7.8 earthquake, but that's one of the few pieces of detailed data so far about how much the level of the coastline has risen.

BHP's boss has urged US President-elect Donald Trump to refrain from tearing up the Paris climate change agreement.

Monday's earthquake raised parts of the Kaikoura seabed by more than a metre, providing a unique insight for scientists.

A warming climate means the days of Melbourne's boulevards being lined with exotic elm trees are numbered. Instead, the city's landmark boulevards will be lined with trees that can tolerate the higher temperatures forecast in the future. But don't think that automatically means gum trees.

Rudolph can't catch a break as 20,000 reindeer succumb to famine in November 2006 on top of the 60,000 killed two years ago.

About 15,000 dump trucks' worth of sediment enters south-east Queensland's waterways every year, carrying pollutants such as nutrients.

A "disconnect," between banks, government planning and the insurance industry, is leaving Australian homeowners vulnerable to "climate change foreclosure."

Air pollution resulting from controlled burning near Sydney last May was so severe it probably caused 14 premature deaths and sent dozens of people to hospital, according to a new health study.

Frog calls that greeted researchers after the 2009 Black Saturday bushfires were robust in number. But genetic testing has revealed they are alarmingly limited in diversity, catching researchers on the hop.

Pizza, whose fate as an air-conditioned exhibit for shoppers in a mall in southern China, is moving but perhaps only temporarily.

Dean Nicolle's arboretum has the largest collection of gums in the world.

When kitty Rufus was rescued by the RSCPA, he suffered from a tummy bug, the cat flu and severe hydration.

A Trump presidency could have serious impacts on Australia's climate science and other research including short-term weather forecasts.

A pregnant Baw Baw frog, found high on a muddy mountaintop could be the key to a successful captive breeding program for the seriously endangered animal.

A Zimbabwean court has thrown out charges against a local hunter accused of failing to stop the killing of the country's most prized lion by an American dentist, his lawyer said on Friday.

Donald Trump is looking to Myron Ebell, a well-known climate sceptic, to lead environmental policy.

Western Sydney Airport project clears a major environmental assessment hurdle.