Lucy Stulz
Well-Known Member
These are the three questions that AGW deniers usually run away from.
Do you doubt that CO2 absorbs heat and releases it back towards the surface of the Earth?
I just like the fact that CO2's IR-absorbing capabilities hasn't been controversial since about 1850 with Tyndal.
Do you doubt that the increase in CO2 over the last 150 years is due to humans burning fossil fuels?
My favorite bit of evidence for this is that for about 10,000 years prior to the middle 1800's the isotopic ratio of 13-C/12-C in the atmosphere was pretty stable but suddenly in the middle-19th century, right when the Industrial Revolution kicked it up a notch, the ratio started to shift to lighter and lighter Carbon...just exactly what you'd expect from burning fossil fuels!
The skeptical position has some merit in that there should always be skeptics in science (and there always are), but the AGW skeptics I've seen out in the world are, by and large, wholly unfamiliar with the actual science or they have a smattering of misunderstandings.
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