The top secret mission to preserve the 'botanical find of the century'
The Wollemi Pine was thought to have gone extinct two million years ago, until an off-duty ranger stumbled across a grove. Now, experts are doing everything they can to give the tree a second chance.
Plan to save tree canopy in Australia's least leafy city poised to be cut down by planning minister
A council plan to protect Perth's trees will be rejected by WA Planning Minister John Carey despite overwhelming community support, the ABC understands.
Tasmania is home to the tallest flowering plants in the world. Fire is now their biggest threat
Brett Mifsud has travelled to Tasmania for more than 30 years to find and measure the state's largest trees. He fears increasingly frequent and intense fires mean this could be the last generation of giants.
Learning lessons from Black Summer, these Gippsland locals are planting 'fire-wise' gardens
East Gippsland communities hit by the Black Summer bushfires are planting trees with low flammability to reduce the risk of radiant heat and embers destroying homes and other assets.
Cicadas are so loud their chorus is often above local noise restrictions and there are a lot around this year. Here's why
The cicada's distinctive courtship call is the soundtrack to an Australian summer and in parts of the country it's the most penetrating it's been in years. Just look out for "cicada rain".
Noongar story of Australian Christmas tree brings blooms of the bush to Perth CBD
The Moodjar Tree uses art and technology to tell the Noongar story of the Australian Christmas tree in 3D.
What air quality data can tell you about where you live
University of Technology Sydney students went street by street with air quality monitors and found big differences over short distances.
Thinking of getting a real Christmas tree this year? You'd better be quick
The popularity of real Christmas trees surged during the pandemic and is continuing, but some growers are having trouble keeping up because of bad weather conditions affecting supply.
West Australian Christmas 'fire tree' signals an early threat
Bright yellow flowers on an ancient tree have been a warning sign of impending bushfires for thousands of years, Aboriginal people on the WA south coast say, and it comes with fireys already fatigued from fighting big blazes.
Thousands of plane trees will be phased out in Sydney. Here's why
A Sydney arborist says London plane trees make for a great urban tree, but a warming climate has forced planners to find a more resilient species.
The project aiming to make sure this species of tree doesn't go the way of the Tasmanian tiger
The Tasmanian tiger was driven to extinction, as was the Tasmanian emu and a myriad of plants — but it is hoped a bold move will save another iconic Tasmanian species, the Morrisby's gum.
$80,000 for damaging a tree: Canberra's tough new laws to protect urban forest
The ACT government's plan to cover almost a third of Canberra with tree canopies is behind schedule, but it says new legislation will help.
Analysis
analysis:Why it feels so bad to lose the iconic Sycamore Gap tree
The loss of the Sycamore Gap tree sent a nation into grief. Rebecca Banham explores why individual trees can become important to our sense of security.
Scientists rush to save Australia's loneliest tree from extinction
The Mongarlowe mallee — which had its heyday in the last ice age — now has just six known survivors, but ecologists say it could be rescued in a plan reminiscent of the Wollemi pine.
Farmers are growing medicinal gum trees as biotech company explores pharmaceutical potential
Eight farmers in the Benalla region are growing gum trees for biotech company Gretals as it researches using pinocembrin as a treatment for neurodegenerative diseases.
What is the exotic pest threatening Australia's plantation industry?
This suburban park in Adelaide's north-east used to resemble a small forest, filled with hundreds of well-established pine trees — but it has been left decimated thanks to an exotic pest.
Pine trees create a $10K clean-up bill every year for this tennis centre. But they also feed an endangered cockatoo
Wodonga's tennis players could secure the match point this month in their fight to have a nearby row of pine trees home to messy cockatoos removed. But not all residents are cheering.
Australia's iconic eucalyptus was shipped across the globe. Now, this flammable tree has 'gone feral'
From southern Europe to the east coast of the United States, debate is raging over how vulnerable the eucalyptus tree is to fire and whether it's doing more harm than good.
Forestry industry pushes back against mounting calls for nationwide native logging ban
Native logging will no longer be allowed in two states from next year, and there are calls for other jurisdictions to follow suit. But some experts and industry representatives say the bans could be devastating for developing nations.
Giant Aboriginal artworks years in the making sprout across WA
An eco-cultural effort in southern WA depicting giant Indigenous totems of native animals is helping bring the landscape back to life.
Power company apologises after community 'blindsided' by removal of 130-year-old tree
A landmark tree that has guarded Morundah's pub for more than a century has been cut down by Essential Energy — and residents are not happy.
If you're ever lost in the outback, there are multiple ways this amazing tree could save your life
Against the dry, arid landscapes of west and central Australia, these trees not only catch your eye, but are a source of food and water and can point you in the right direction if you're lost.
How WA's common native marri trees are closely linked with agricultural wax and wane
Beekeepers have struggled to produce large volumes of honey without a strong marri flowering this year, a "mast year" for the tree, while winemakers are also battling birds looking to vineyards for food.
Tiny forests are springing up in urban areas to combat climate change. This one measures just 10m x 10m
As the race to find new ways of sequestering carbon dioxide from trees intensifies, Wollongong City Council – with the help of students from Dapto High School – is spearheading the creation of tiny forests.
Rotting away from the inside out, this blue gum was filled with concrete. Four decades later it's stronger than ever
Rotting and riddled with wasps, in the 1980s an ailing blue gum at Anglesea Barracks was filled with concrete to stabilise it. Almost four decades on the old tree still stands, is still alive, and the concrete is barely visible.