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The Separation Tree in the Royal Botanic Gardens, Melbourne, marking where Victoria’s separation from New South Wales was celebrated in 1850, is dead after two attacks by vandals. Gregory Moore

Acts of arborial violence: tree vandals deprive us all

Tree vandals after better sea views or with political goals deprive everyone of the benefits trees provide. Despite costing local councils thousands in replacement trees, they are rarely caught.
In the 1920s and 1930s crews surveyed much of California, collecting information about vegetation. This photo was taken in 1936 by Albert Wieslander. Marian Koshland Biosciences Library

California’s majestic trees are declining — a harbinger of future forests

Scientists in my native state of California were handed a gift: a trove of detailed information about the state’s forests taken during the 1920s and 1930s and digitized over the past 15 years. When we…
The inner suburbs of Melbourne are surprisingly more leafy than the outer suburbs. Andrew

Fewer trees leave the outer suburbs out in the heat

When you look out of your window in the morning, how many trees do you see? Your answer might depend on what suburb you live in. As you go further from the city centre, the amount of tree cover in a suburb…

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