Confidence in timber investment funds has been heightened after a major American  state pension fund decided to put $500 million into timber.  
Massachusetts Pension Reserves Investment Management Board (Mass PRIM)  has decided to make the investment just three years after selling a $700 million  section of its timber portfolio. 
Senior timber investment officer at  Mass PRIM, Tim Schlitzer, said it was a perfect time to reinvest in the  long-term benefits that timber can provide.