These changes are occurring rapidly and have unknown consequences for economic security and human well-being.
The dissenters warned that the decision would have unknown and far-reaching consequences.
If he seemed too reluctant, the Ice Master might back off from his proposal, with consequences unknown but probably nasty.
In each case, we are motivated to give for fear of unknown consequences.
For another, this is a situation of totally unknown consequences.
Moreover, the unknown socio-psychological consequences of weather manipulation could be enormous.
The unease among Americans, even those who support the president, about the war and its aftermath is certainly due to fear of unknown consequences.
Some parents were worried that whatever this was might have unknown, long-term consequences and wondered whether the school ought to be closed down.
Over time the oil has continued to sink into the sand, with as yet unknown consequences for Kuwait's small groundwater resources.
And many were subject to other unknown consequences.