"It means we are essentially passing one in a whole series of points of no return, " said Michael Mann, a climate scientist at Pennsylvania State University.

NPR: Experts: CO2 Record Illustrates 'Scary' Trend

Director Michael Mann creates a rising line of tension and paranoia which leads, paradoxically, to a muted, not entirely reassuring ending.

NEWYORKER: The Insider

Similarly, prominent global warming alarmist Michael Mann gave a presentation last month at publicly-funded Valencia College near Orlando, Florida.

FORBES: Warmists Display Cowardice and Hypocrisy In Avoiding Global Warming Debate