Environment
Conservation
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Wildlife
Deadbeat dad replaced by feather duster as zoo rescues orphaned chicks
It's Australia's most important bird with fewer than 1000 left in the wild. So zookeepers were 'over the moon' when their plains-wanderer population doubled this week.
- by Joe Hinchliffe
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Good Weekend
Why are insects dying in such numbers?
It's been dubbed the bugalypse – study after study rolling in from countries across the globe pointing to dramatic declines in insect populations.
- by Greg Callaghan
NSW Votes
Factories planned for a section of 'the lungs of Sydney's west'
A region of western Sydney set aside 15 years ago by former Labor premier Bob Carr as permanent parkland is to be turned into a factory site.
- by Peter Hannam
NSW Votes
Urgent call to fence off Kosciuszko creek to save endangered fish
Wild horses stir up fine sediment in the water, which smothers the insects that the fish feed on and also harms the eggs, scientists say.
- by Peter Hannam
Graphic content
Whales
This dead whale's stomach had 40 kilograms of calcifying plastic
By the time marine biologist Darrell Blatchley arrived at the fishing village, he already knew how the young whale had died.
- by Deanna Paul
Water
Government's secret plan to raise Warragamba Dam wall by 17m
The Berejiklian government has developed secret plans to lift the height of Warragamba Dam more than publicly announced to take into account the impact of climate change.
- by Peter Hannam
Climate policy
'Consumers must act': Jane Goodall's plea to avoid a 'bleak' future
The renowned naturalist says the increase in youth activity - such the global climate movement started by Swedish student Greta Thunberg - is a source of hope.
- by Peter Hannam
Water
Ancient rite, modern fight: how brumbies are breaking the landscape
“The horse is much heavier than us, so when they tread on this, they are turning the taps off on the Murrumbidgee River.”
- by Justin McManus and Finbar O'Mallon
Pollution
India has 15 of top 20 cities with world's worst air, report finds
South Asia is an especially toxic region for air quality, according to the report, which looked at data from more than 3000 cities around the world.
- by Kai Schultz
Wildlife
Forget reality TV, species' survival at stake in this matchmaking show
A captive breeding program stands between Victoria's only endemic bird and extinction. But getting the helmeted honeyeater to find love at first sight is a tricky business.
- by Joe Hinchliffe
Animals
'Weirdest-looking thing you've ever seen': massive sunfish washes up in US
A giant sunfish usually found in the waters of Australia, New Zealand and South Africa has washed up in California, and scientists don't know how it got so lost.
- by Alejandra Reyes-Velarde