Sentence examples for environmentally tenable from inspiring English sources

Among the further responsibilities of the American Energy NASA should be the introduction of national policies that directly impact and limit our consumption of fossil fuels to levels that are environmentally tenable and help us move to fossil fuel self sufficiency (and eventually off fossil fuels altogether).

But is it tenable?

Is the distinction tenable?

This is no longer tenable.

His position is not tenable.

But the prospect seems tenable.

Is that really tenable, fifty years on?

It was, he argued, not "morally tenable".

This is not a tenable future.

Neither of these extremes seems tenable.

"Of course this is not tenable".