You need to keep a close eye on croc numbers for several decades before knowing how many eggs to harvest.
AAP Image/Dean Lewins
Queensland opposition MPs want crocodile egg harvesting to be expanded, as in the Northern Territory. The difference is, the territory's government has stayed committed to sustainability research.
Fighting fires in remote wilderness requires a different way of thinking.
Fires in Tasmania have burnt thousands of hectares of wilderness. Other remote fires it's better to put them out quickly.
Perhaps you might enjoy this list of movies and videos that look at ways contemporary Sydney has been fictionally invaded or destroyed on the big screen.
It seems to me no coincidence that in Australian popular culture our founding colony is usually the site of major onscreen attacks. Might this speak of cultural guilt and repressed truths?
A company’s homepage will tell you more about its core values than any “social responsibility” statement.
Brian A. Johnson/Shutterstock.com
Do companies really mean it when they talk about being socially responsible? Judging by their mission statements and homepages, it seems increasingly that resources firms do, but many retailers don't.
Australia has around a million hectares of plantations, much of them no longer commercially viable.
The GFC killed off Australia's timber plantation boom, leaving behind a million hectares of timber. But by recognising the carbon value in these trees, a new industry could grow in place of the old.
Research shows that female academics and those with family commitments were more likely to be bullied.
A new study shows that academics in regional universities are more likely to experience bullying than their city peers.
Eating kangaroos is sustainable.
Kangaroo image from www.shutterstock.com
Campaigners against commercial kangaroo harvesting say it's unsustainable and have convinced California to extend a ban on kangaroo imports. But are Australia's world-famous roos really at risk?
It’s high time we gave Australian wildlife a helping hand.
AAP Image/Sam Mooy
A 21st century government would put the environment on at least an equal footing with the economy. That means no more extinctions, and no more putting ourselves before wildlife or future generations.
Gamba Grass is altering fire regimes in the Top End, threatening human life and property, natural assets including Kakadu and Litchfield National Parks, and compromising savanna burning programs.
One of the Australian government's new research priorities is "environmental change". But can be hard to know how to tackle such huge and interlinked issues as climate change and species extinctions.
We need to level the playing field socially for a more equal workplace
If you're a woman in poverty, you're at risk of sexual exploitation. If you've just become educated and employed, then you're at greater risk of domestic abuse.
High temperatures can make students restless, listless and unable to pay attention.
High temperatures have been found to have a negative effect on learning, so how are schools in northern Australia coping?
For fear of injury and lack of space, playgrounds are becoming unimaginative and uninspiring.
New research has found that fears of playground accidents such as falls have led to considerable changes in school playgrounds, reflecting a climate of over-policing and surplus rules and regulations.
The white paper on developing northern Australia outlines a solid vision - now for action.
The White Paper on Developing Northern Australia represents the most comprehensive attempt yet to think through the development possibilities of the north.
Lucie de Beauchamp posting on the #distractinglysexy Twitter hashtag.
Lucie de Beauchamp
Sir Tim Hunt's careless comments about women in the lab may have proven a boon to feminism in science by attracting attention to sexism in science.
Phillip Toyne lobbied for the transfer of Uluru National Park back to its traditional owners.
Phillip Toyne, a co-founder of the national landcare program, died on Saturday morning after a long illness with cancer, leaving an indelible legacy of influence and achievement.
There are fewer than 50 Orange-bellied Parrots left in the wild.
AAP Image/Birds Australia
After falling victim to disease, there seems to be little hope left for Australia's most endangered parrot.
Mixed farming country near Binalong, New South Wales.
Among the plaudits for Joan Kirner it is also worth noting her pivotal role in the development of landcare in Australia.
Looking over Palmerston and the East Arm of Darwin Harbour to the new $35B Inpex LNG plant. Many resources projects in the north are in beautiful, environmentally important places.
This year's federal budget outlined plans for infrastructure in northern Australia, but it will need to do more than build roads and rail to sustainably develop the north.
The Mad Max trilogy has had a tremendous influence on action cinema – and next week, the series resumes.
© Warner Bros.
George Miller's Mad Max films have aged remarkably well – perhaps because they have had such a profound influence on the films that followed them.
Heat is costing the Australian economy through productivity losses.
Heat stress image from www.shutterstrock.com
Heat cost Australia nearly A$7 billion in 2014, which is bad news given climate forecasts of hotter and more frequent heatwaves.