Beetle infestation threatens Johannesburg's forests

It's not actually the borer beetles, but a fungus they carry that could destroy half a million trees in the South Africa city, considered to be one of the greenest in the world.

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    Johannesburg is home to one of the world’s largest urban forests, but it's come under threat from a tiny beetle.

    About 200 species of trees - many of them indigenous to South Africa - are afflicted with the pest and the fungus it carries.

    As scientists desperately look for a solution, many of the city’s trees are dying and experts are concerned the infestation could move from the forest to croplands next.

    Al Jazeera’s Fahmida Miller reports from Johannesburg.


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