Comment on AMS members surveyed on global warming by Anteros

And it very much depends on the question, and what people mean by scepticism.
If you ask a load of sane, informed, intelligent scientists whether human activity has an effect on the climate, you will tend to get an almost unanimous “yes”. And that includes all the people that self-label as sceptic.
It is only in the minds of the true believers in Armaggedon that sceptics are seen as denying basic physics.