A slight modification of Jeff Leigh’s quote, in response to The ‘war’ in global warming:
Those who deny any reason to act will talk just about the cost of doing something without acknowledging the cost of doing nothing.
But then the denialists have a problem: they have a stake in nothing. That is, they cannot acknowledge actual (not theoretical) change in the environment consistent with the predictions of climate-change science that are of such a magnitude as to be, well, undeniable. It is the reverse problem of those who warn about climate change: unless there is demonstrable change in the environment, the warnings are for naught.
That too is what makes the news on the West Antarctica ice shelf so disturbing: it is not a prediction of a future event, it is a report on actual observations, extrapolated into an intimidating future.
Just as carbon, based on measurements, can be extrapolated into the past: