While article’s points could be less sarcastic in order to be taken more seriously, valid concerns remain.  If individuals who truly believe man-made climate change exists, why aren’t they taking it more seriously and lightening up their carbon footprints?  Where is the end to what “being sustainable” actually entails?  Fact is, more facts, better numbers, and real evidence must be unearthed first. Read Mark Steyn's Washington Times article, 'Very high up' and really cool.