Dr Judith Curry is a renowned US climate scientist who once espoused "global warming" alarmist theories. Then she did intensive research and became one of the most lucid and learned climate skeptics, feared by the alarmists because they are unabe to answer her challenges for them to prpoduce the evidence for their claims of looming catastrophe.. This latest post on her website is one of the most convincing rebuttal articles you will ever read.