Just to clarify if you dont wish to follow links, the % change in CO2 in the atmosphere over the past 50 years has been measured as approximately 22% based on the datapoints from Hawaii. Looking at the figures from Trevor's post:
'By their own figures they state the CO2 in air has risen from .034% to .038% in 50 years.'
There is some discrepancy between the figures. Either way, the article tries to use data to paint a particular picture without suitable data. It just comes across as being rationale if you dont think about it.
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