We are only just starting to appreciate the full sexual diversity of animals.
Why is everyone talking about 'emissions intensity' schemes this week?
Shark nets are controversial, which is why the New South Wales government is investigating a host of other ways to keep humans and sharks apart – some more tried and tested than others.
Now that our rooftop solar industry has matured, we need to reconsider the purpose of feed-in tariffs and align them with our goals for the electricity system in the future.
There is no doubt that 2016 has been a record-breaking year for the Earth’s climate.
The food we eat is responsible for almost a third of our global carbon footprint.
Ten years ago on Saturday Prime Minister John Howard announced the Coalition government would investigate an emissions trading scheme to reduce greenhouse gas emissions.
The possible axing of the Green Army, which aimed to put thousands to work tending conservation projects, leaves many questions unanswered - the biggest being the reason for the sudden retreat.
Although Donald Trump has called climate change a hoax invented by China, Chinese leaders believe cutting carbon emissions will generate economic and political payoffs at home and abroad.
The Anthropocene most likely started long before the 1950s.
Australia's arid grasslands are being invaded - by native shrubs and trees.
For a long time it was not believed that animals were even capable of feeling pain, let alone complex emotions. We now know that is far from the truth.
Shark nets seem like they should reduce shark attacks. But as these events are so rare and variable anyway, proving it statistically is no mean feat.
The real threats to dugongs and turtles are not being addressed.
OPEC's recent decision to cut supply is a classic move from the oil cartel playbook. But in today's era, there are many more players and game-changing technologies on the field.
The need to urgently reduce greenhouse gas emissions is a major challenge to cheap electricity.
The government's latest report to UNESCO on the Great Barrier Reef paints a rosy picture.
Extreme wet years are getting wetter and more common. This means Australia's terrestrial ecosystems will play a larger role in the global carbon cycle.
Germany’s energy transition is often held up as an incredible success story. So what can Australia learn?
Somehow we need to grow more food to feed an expanding population while minimising the problems associated with nitrogen fertiliser use.