A Blog by John Halkett

Tag: Tim Flannery

Famous London plane trees disappearing from Sydney streets

Living in Sydney’s inner-city suburb of King’s Cross as I do the dominant tree in the neighbourhood is the deciduous London plane tree. With large maple-like leaves and towering height the London plane is a tree of pump and circumstance. The branches begin high up the trunk so that mature trees have a lofty, architectural quality, giving plenty of shade without restricting the view at street level.

Planted throughout London in the nineteenth century to complement the cities imposing squares and thoroughfares, the plane tree was the ideal symbol for the capital of a growing empire.… Read more “Famous London plane trees disappearing from Sydney streets”

The biological miracle of trees

Trees have been described as the biological miracle at the very core of human evolution, for not only do they provide the essential ingredients that have given rise to the creation of life, they hold the key to the continuity of humanity. At the most basic level, it is the leaves in the green tree canopies where the truly magic story of nature is to be found.

Within the green, thin and vein-covered fabric of leaves something truly miraculous happens that provides the spark of life. It is the intrigue of how leaves, in a process called photosynthesis, are able to turn carbon dioxide from the sky into giant… Read more “The biological miracle of trees”

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