In the interests of "full disclosure" they should have admitted that they could care less about global warming and carbon emissions, except as a tools to further their socialist/communist agendas against freedom, democracy, and capitalism.
Remember, when Gorby got run out of the former Soviet Union (where he gave not a damn about the environment), he founded "Green Cross" and international organization of watermelons (green on the outside, red on the inside).
And lets not forget Green Peace co-founder Patrick Moore (an actual scientist), who broke with his organization because it was taken over by leftists, ceased to be about science and the environment, and became all about socialist politics. Moore also supports the use of nuclear energy, which Green Peace opposes (but only in western democracies where there is no danger of being killed for it).
With these ice cores, I brought up a point to an AGW believer that the level of accuracy of CO2 concentration found in the ice cores has only been validated for 40 years out of the last 650,000 years. That a reasonable person might grant that the same levels of inaccuracy PROVEN over the past 40 years could be EXTRAPOLATED out to 100 years. To assume that those levels of inaccuracy hold steady for 650,000 years is theory.
I pointed out that dating inaccuracies of these cores have already shown to be off by 200 to over 1000 years and that If AGW theorists are going to continue to use ice core samples to show that CO2 levels have increased due to human intervention, then they need to be able to prove two things. 1) The date of a sample with a reasonable tolerance for time (i.e. a sample advertised as being from a certain date would probably need to be from that actual date +/- ten years in order to show human intervention in climate change). 2) The CO2 concentration in the atmosphere at the time of the sample.
I brought up that the CO2 levels in an air pocket of an ice core sample might deteriorate over large spaces of time. The claim is that the levels are frozen in time but this has not been proven because it has not been validated for a long enough period of time. For all we know, the older air pockets could have levels of CO2 that are less than when the air pocket froze.
His answer.......it doesn’t matter.
Apparently, the scientific process does not matter to these theorists. The standards of the scientific process are held up for 5th graders doing science projects for the science fair, but not for these folks. Can anyone imagine a 5th graders explaining his or her project to the judges and when they ask why the measuring devices were not validated for accuracy, the 5th grader saying “it doesn’t really matter”. I’ve helped both my two sons with 3 projects now and even they learned that when you measure data, you must validate it and whenever you change methods, you must validate them against each other and account for margins of errors of both.