That was a carefully constructed sentence, so let me agree and disagree.
It is enough to reduce emissions, but it is probably not enough—and I agree with you here—to get us to the 2030 commitments. There's disagreement among economists about what level that price needs to go to. What I see as being in the ballpark is $100, $125 or $150 per tonne, which, by the way, would still leave a litre of gasoline below its price in 2014.