This is exactly what the enviro-whackos want - to use Kyoto to force their vision of sustainable (i.e., severely diminished) development upon the First World.
They won't change, of course -- Marxists almost never do -- but those who are not ideologues and/or who have some rudimentary concept of empirical science and methods will sooner or later see the light of day, and it is these two groups who are and will continue to be the ''swing voters'' on the subject.