At first glance, the following graph may appear to be reasonable, rational, scientific, and informative. It is also terribly misleading, and intentionally so. Please Register or Log in to view the hidden image! The entire range spans only 70 parts per million. Why? Because those who promote it have an ax to grind, about which more later. I will reduce the scale to include the zero baseline. Please Register or Log in to view the hidden image! Unfortunately this entire increase in carbon dioxide concentration is implicitly assumed to be anthropogenic, or man-made wherever the graph is displayed, to the gasps of frightened audiences. Since anthropogenic carbon dioxide is estimated at only ~3.4% of the total, that component would be shown as increasing from 11 ppm to 13 ppm, seen here: Please Register or Log in to view the hidden image! To be concluded in following post.