The total economic impacts from climate change are highly uncertain.

But he said that deriving cancer rates was a highly uncertain process at best.

This is because many future changes related to climate are highly uncertain.

Since these future changes are highly uncertain, one approach is that of scenario analysis.

Although the economic and social costs from climate change remain highly uncertain, there is some risk that they will turn out to be quite large.

The future remains highly uncertain, but with this comes opportunities for investors.

How that vote might turn out is highly uncertain, guild members agreed today.

This last seems to me highly uncertain, and even doubtful.

Analysts said today, however, that what might actually happen is highly uncertain.

"Whether they could get the same deal right now is highly uncertain."