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'Peak timber' concerns in tropics
Current tropical timber practices are not sustainable and nations should consider the "implications of 'peak timber'", a study has suggested.
A team of researchers says the standard cutting cycle of 30-40 years is too short to allow trees to grow to a volume required by commercial loggers.
As a result, they add, the pressure to harvest primary forests will continue, leading to ongoing deforestation.
http://www.bbc.co.uk/news/science-environment-16682177