Articles sur Trees

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Wollemi pines once covered prehistoric Australia. The Conversation/Wikipedia

Wollemi pines are dinosaur trees

Wollemi pines have survived for hundreds of millions of years. Once covering Australia, they now survive in a few isolated spots – but they're coming back in a big way.
For a megacity, Tokyo is rich in trees. gillyberlin/flickr

We calculated how much money trees save for your city

In an increasingly urban world, trees can make a major difference. One study found that, for every dollar invested in planting, megacities saw a $2.50 return on their investment.
Different kinds of plants make different kinds of seeds. Some seeds grow into trees and other seeds grow into other kinds of plants. www.shutterstock.com

Curious Kids: Where did trees come from?

Trees evolved many times around the world.
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?

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