An expose on the culling and commercial exploitation of kangaroos in Australia has opened to strong reviews in the US.

The infants are being bottle fed and are said to be growing normally compared with monkeys their age.

What happens when one native species is doing too well on a property bought to protect many vulnerable ones can be a problem.

Matt Tomkins felt the charge sawing on the air and knew the lightning was right above him.

The Turnbull government has opted out of an international pact to protect three species of threatened sharks, drawing accusations that it was undermining global conservation efforts.

A man will face court after allegedly shooting a dog in the head with a speargun on the Central Coast.

The Turnbull government's pledge of an additional $60 million to help improve the health of the Great Barrier Reef has been dismissed by environmental groups and scientists as insufficient and a "wasteful publicity stunt".

Perth Zoo went on cute-alert this week with their new Nepalese red panda cub passing its first health check with flying colours.

The mid-summer heatwave baking much of NSW has given parts of Sydney their hottest start to a year in at least decades and may have as long as another week to run.

The fire burnt more than 1800 hectares of bush over the weekend.

Environmentalists have called on politicians to stop using the Mornington Peninsula National Park as 'a political football'.

The plan, to cost about $60 million over the next 18 months, will include funding farmers to reduce sediment run-off and innovative research.

• Editorial

As Australians this week ponder whether to celebrate or mourn January 26, it's also a good time to consider the state of our environment.

Firefighters have worked tirelessly through the weekend to contain several bushfires burning across the state including a large blaze in the Royal National Park, just south of Sydney.

Canberrans found themselves in the hottest capital city in the country on Sunday, as temperatures soared to the high-30s.

The Royal National Park was closed and hundreds of people escorted to safety on Saturday, as firefighters battled two out-of control bushfires near Wattamolla in Sydney's south.

A proposal to build a dog breeding facility near Bathurst to supply dogs to a Sydney pet shop has encountered opposition from animal welfare campaigners.

• Peter Hannam

Tasmania could become a renewable energy powerhouse for the nation, but the concept largely hinges on interconnection issues that have not always gone well.

What is worse than finding a snake in your house? Finding a snake inside your helmet.

Most of NSW will continue to bake in a prolonged heatwave well into next week, the second big warm event that has got 2018 off to a hot start.

US agency declares 2017 the third warmest for the globe and worst year for sea ice coverage in Antarctica.

Those hit hardest are women and people with low incomes who worry about the planet's long-term health.

Sharks aren't rare in the river, but the fishermen they said they were surprised by the size of it.

Parts of the city's west will swelter through 40-degree-plus temperatures on Friday, Saturday, Sunday and into Monday.

US agencies use different methodologies to calculate global temperatures but the results make the past four years the hottest period in their 138-year archive.

The world's coral reefs are at a 'make or break point', and every nation should think twice about developing new coal mines, the UN's Environment chief says

A recent study has found rising temperatures and frequently reoccurring heatwaves are reducing 'normal sperm' in Australian birds.

Federal-funded efforts to contain the fourth big outbreak of crown-of-thorns starfish on the Great Barrier Reef are "sporadic" and a "serious case of negligence" that will likely fail, a leading scientist said.

You just can't make this stuff up.