Invasive species are Australia’s number-one extinction threat
More than 1,770 species in Australia are listed as threatened or endangered. Invasive species are the biggest single threat.
What we can learn from China’s fight against environmental ruin
After cascading ecological catastrophes in the 90s, China spent 20 years seriously investing in sustainability. Now that effort is paying off.
It’s funny to name species after celebrities, but there’s a serious side too
Scientists have been naming species after well-known people since the 18th century, often in a bid for publicity. But the issue deserves attention - some 400,000 Australian species are yet to be described.
Fifty years ago Jocelyn Bell discovered pulsars and changed our view of the universe
In mid 1967, PhD student Jocelyn Bell at Cambridge University was helping to build a telescope. She went on to discover a little bit of "scruff" - the first evidence of a pulsar.
Maybe we can, but should we? Deciding whether to bring back extinct species
De-extinction is closer to reality than you think. 'Decision science' can help examine the feasibility of bringing species back and likely impact on existing environmental and species management programs, and help answer those nagging questions: 'Because we can, does it mean we should?', and 'what happens if we do?'
The 20th century saw a 23-fold increase in natural resources used for building
There will be huge environmental impact if we keep using raw materials as we did in the 20th Century. There is a way to build more sustainably.
As Australian shipping grows, how can we avoid collisions with marine animals?
Ships in Australian waters are getting bigger and more numerous all the time. We need a plan to help them avoid crashing into whales and other large sea creatures.
How do we uncouple global development from resource use?
The world's use of finite resources continues to rise as global development continues. Can we help poorer nations raise their standard of living without exhausting all of our raw materials?