Articles on Trees

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The Greening the Pipeline 100-metre pilot park at Williams Landing is the first step in transforming 27 kilometres of the heritage-listed main outfall sewer into a linear park and bike track. Greening the Pipeline, courtesy of Melbourne Water

How Melbourne’s west was greened

Tree plantings are making a visible difference to Melbourne’s west. It's the result of a collaborative model of greening, one that Australian cities need to apply more widely.
Once the coat around the seed is moistened, the embryo cells expand and burst out in a process called germination. shutterstock/NUM LPPHOTO

Curious Kids: how can a tiny seed actually grow into a huge tree?

A seed contains nearly everything a tree needs to get growing. Just add a dash of water, a bit of warmth and the right location, and you'll be seeing green in no time.
Hundreds of large old trees were removed when the Hume Highway was widened. Brian Yap/Flickr

The plan to protect wildlife displaced by the Hume Highway has failed

When the Hume Highway was widened, hundreds of nest boxes were installed to replace habitat for three threatened species. Four years of monitoring has concluded the program is entirely unsuccessful.
Wollemia pine pollen cone. Wollemia pines (found in the wild only in Australia) are one of the most ancient tree species in the world, dating back 200 million years. Velela/Wikipedia

Where the old things are: Australia’s most ancient trees

Australia is home to some of the oldest trees in the world. But how do they live so long?
Could a randomly selected tree make a better president than Donald Trump? Bruce Irschick/flickr

Democracy needs more trees and less Trump

If people are starting to look much worse in democratic terms, trees are starting to look much better. We are learning that plants engage in meaningful and, more to the point, truthful communication.
Higher carbon dioxide levels will not result in faster-growing forests – just the opposite in many places, study finds. rosskevin756/flickr

More CO2 won’t help northern forests or stave off climate change

Study using tree ring data and climate projections shows that buildup of CO2 will not benefit most northern forests and that growth rates will actually fall.
Despite increases in some areas, Australia’s tree cover is at its lowest level in 40 years. Tree image from David Lade www.shutterstock.com

Environmental score card shows Australia is once again in decline

After some unusually wet years, our landscape and ecosystems have once again returned to poorer conditions that were last experienced during the Millennium Drought.
Not just a way to beat the heat, urban forests also reduce air pollution and provide other services for the economy. kiddocone/flickr

Why more cities need to add up the economic value of trees

Cutting-edge urban foresters argue not only for the intrinsic value of trees but also for the many economic and health benefits.

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