Billions of bogong moths are setting out from Queensland, but not reaching Victoria. We need citizen scientists to help figure out where they're ending up.
The UN has asked world leaders to bring concrete climate action plans to this week's summit - and Australia is likely to cop heavy criticism.
The state of Australia's energy and climate change policy is reason to despair. But there may be a nuclear solution that keeps both sides happy.
When it comes to improving Indigenous policies and programs, Indigenous communities should be the ones evaluating government – rather than the other way around.
Australia's top scientist Alan Finkel says too many poor quality research papers are being published in Australia, and the system may inadvertently encourage academics to behave badly.
We all know that climate change is hurting the Great Barrier Reef. But scores of other less-publicised threats also threaten the future of the natural wonder.
Ice cream company Ben & Jerry's will close its Australian stores for this month's global climate strike and pay staff to attend the protest, telling customers "if it's melted, it's ruined".
Regenerative agriculture has the potential to build production and reducing pollution, but it needs a clearer definition.
Climate change makes every risk factor for major bushfires worse, which means massive, intense fires will only become more likely.
A staggering 7.7 million hectares of critical habitat has been destroyed since environment laws were enacted - and 93% was not referred to the federal government for assessment.
The federal government this week heralded Australia's renewable energy performance. But the outlook leaves little cause for celebration.
Each spring, winds circling the South Pole weaken. If they weaken enough, they can actually reverse – causing rapid warming.
A proposed plan to clean up New Zealand's waterways draws clear limits on the expansion of dairy farming and irrigation, as well as on the use of nitrogen fertiliser in some key areas.
Hurricane Dorian has devastated the Bahamas, with the death toll expected to rapidly rise as rescue work gets under way.
All plants take up carbon dioxide when they grow, but when they are harvested or cut down, they release the greenhouse gas back into the atmosphere.
Australia is one of the sunniest and windiest countries on the planet, but emissions are still rising. How do you justify that?
'Switchers' who change their energy retailers often are following accepted wisdom, but research shows it saves them far less than expected.
It’s official. The outlook for the Great Barrier Reef has been downgraded to “very poor”, and the window to act is closing.
Many Australians are unprepared for the worse-than-average bushfire season ahead - even those in high-risk areas.
In an often-muted bush landscape, the deep crimson of the waratah stands out like a shout.
How super is a super coral? And what are they super at? Protecting our coral reefs means we need to find out.
Dry and warm conditions in winter are set to continue into spring, and the likely culprit is the positive Indian Ocean Dipole
At best, nuking a hurricane will do nothing, and at worst it will spread radioactive fallout around the world.
Melting Siberian permafrost is exposing long-dead mammoths, creating a new trade in mammoth ivory.
Traditional market transactions ignore the costs of greenhouse gas emissions. An emissions trading scheme is a tool to put a price on emissions and to influence us to choose lower-emission options.