Trees

Most of the 1,000 different eucalyptus tree varieties are native to Australia but not all belong in a pristine wetland.

The WA government confirms it will reject a plan to protect mature trees put forward by two Perth councils, and instead develop its own urban greening strategy.

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. 

A council plan to protect Perth's trees will be rejected by WA Planning Minister John Carey despite overwhelming community support, the ABC understands. 

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. 

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.

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".

The Moodjar Tree uses art and technology to tell the Noongar story of the Australian Christmas tree in 3D. 

University of Technology Sydney students went street by street with air quality monitors and found big differences over short distances. 

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.

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.

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 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.

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.

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. 

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.

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.

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.

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.

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.  

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.

An eco-cultural effort in southern WA depicting giant Indigenous totems of native animals is helping bring the landscape back to life.

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.

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.

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.