Much of what is cut is harvested unsustainably (and often illegally) from pristine natural forests.
Many of the clans became unsustainably small and the survivors formed new bands who lived where they could.
An over-restrictive application of portfolio management system principles could mean no cover for those follow-up orders precisely because of that initial success—an unsustainably wasteful way of doing business.
The net result is an unsustainably low milk price at the farm gate.
Most of this is caused by the current unsustainably high level of oil prices.
Why would anyone come into a market where the fee rates are unsustainably low?
The eligibility criteria are unsustainably tight, and some extraordinary things have happened.
Interest rates were held at unsustainably low levels which harmed the economy and, indeed, set off the wild credit boom of 1988 to 1990.
