Thirty years ago the Government sold off much of its Crown forestry estate. Today it's looking to forestry, now largely in private hands, to achieve many aims. Help offset carbon, provide enough timber for our housing industry, earn export income, and supply biofuels and biocoal to fill our vehicles and boilers.  But some in the industry believe those aims are in jeopardy because of the sheer amount exported overseas, in raw form to one market. Last year 80 per cent of our US$2 billion (NZ$2.8b) log trade was earned in China.  Under ...