The fate of the Brazilian Amazon is threatened by a new wave of frontier ex
pansion following new infrastructure commitments worth US$40bn from the fed
eral Government. In a recent paper, alarming rates of deforestation and for
est degradation have been predicted, which could be either pessimistic or o
ptimistic depending on the scale of forest disturbance being considered, A
more decisive preventative approach is needed to prevent further impoverish
ment of both the biota and rural population of Amazonia.