True science is never speculative it employs hypotheses as suggesting points for inquiry but it never adopts the hypotheses as though they were demonstrated propositions.
I hate facts. I always say the chief end of man is to form general propositions - adding that no general proposition is worth a damn.
Liberalism is an attitude rather than a set of dogmas - an attitude that insists upon questioning all plausible and self-evident propositions seeking not to reject them but to find out what evidence there is to support them rather than their possible alternatives.
Nature is not simply a technical or economical resource and human beings are not mere numbers. To suggest that one can somehow align all the squabbling institutions of science environmental management government and diplomacy in an alliance of convenience to regulate the global climate seems to me optimistic.