Cities around Australia have plans to increase their green space, but new research shows not all green spaces are equal. Good tree cover is better than grassed areas for residents' mental health.
Ecological literacy is needed to guide global tree planting initiatives to avoid damaging some ecosystems.
Thirty tree species make up more than half of Australia's urban forests. Some won't survive climate change, so cities must plant a more diverse mix of the right species to preserve their tree cover.
Hot weather kills more Americans yearly on average than floods, tornadoes or hurricanes. Three scholars explain how cities can prepare and help residents stay cool.
Red gums connect the continental fringes of Australia with its arid heart, marching along waterways.
The species which surround a tree in a forest make up the character of its neighbourhood. Good neighbours can make forests resilient to climate change.
White cedar grows across Asia and Australia, as a hardy and resilient deciduous.
Mulga is an Aussie icon: hardy, adaptable, and absolutely everywhere.
The leaves, when boiled, can be eaten like spinach. The seeds can be roasted for a coffee substitute, and the pulp can be fermented to make beer.
Thousands of years of history tells the same story over and over: you ignore soil at your peril.
What do earthquakes, wealthy Italian families and your circulatory system have in common? Scientists use fractals, self-similarity and power laws to translate from local to global scales.
Stockwellia has links back to the epoch before Australia separated into its own continent and was mostly covered in rainforest.
Leaves fall off trees when they aren’t doing their job any more. If there isn’t enough water, the leaf can be damaged and stop working.
A new study has calculated the tremendous cost of ash dieback to the UK economy.
Trees clean urban air, store carbon, slow floodwaters and can be used to design safer streets. Scholars are starting to calculate what these services are worth – a fitting topic for Arbor Day.
Record-breaking summer heat might mean trees delay and mute their autumn hues.
Eucalypts have been in Australia for 45 million years. But hundreds of species appeared more recently than previously thought.
Climate extremes are killing Australian trees, but we don't know where they're dying. Scientists are asking the public to use their phones to help.
Walking towards this tree, which grows only on a select few mist-shrouded mountainsides in Queensland, can feel like stepping into a prehistoric dinosaur-filled fantasy.
In 1910, along one 45-block stretch of New York City's Fifth Avenue, there were only 13 trees.