Seems the word "chemtrails" gives rise to immediate divergent opinions, oft with the appearance of tin foil beanies. Recently, some noteworthy people in the scientific community have applied scientific analysis to the broad question of what are these unnatural, lingering vapor trails that have become commonplace in our skies over the past few decades. Dr. J. Marvin Herndon published a rather disturbing article in Current Science Magazine this past June. While Dr. Herndon's article provides some evidence as to "what" the components of this particular geoengineering tool are, it does not definitively answer the more important question of "why." Perhaps the aluminum foil beanie accusation may be rather rich in irony....