Timber business ‘booming’ as global demand soars

Some architects are reverting back to one of the oldest forms of building material which is cheaper, faster and more sustainable.

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    The concrete jungles of the world's cities are massive sources of carbon dioxide (CO2) emissions, due in part to their construction.

    But now some architects are reverting back to one of the oldest forms of building material which is cheaper, faster and more sustainable.

    Al Jazeera's Nick Clark reports from Zillertal in Austria.


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