Two-thirds of world's resources 'used up'

Guardian Unlimited | Life | Two-thirds of world's resources 'used up': "it is a sobering statement with much more red than black on the balance sheet,' the scientists warn. 'In many cases, it is literally a matter of living on borrowed time. By using up supplies of fresh groundwater faster than they can be recharged, for example, we are depleting assets at the expense of our children.'"