Current CO2 concentration in the atmosphere

Must read presentation from Scott Mandia

Scott Mandia, who posts comments on this site under the stealth name Scott A. Mandia, has created a terrific presentation, Global Warming: Separating Fact from Fiction [PDF].

Like Katharine Hayhoe’s work I posted about recently (see Must see presentation from Dr. Hayhoe), Scott’s makes excellent use of graphics. Scott also pulls together quite a few telling quotations about various sub-topics[1], and does a lot of skilled connection of points. He also includes a few slides on our friends in the media, plus the deniers, a.k.a. the Vast Psychiatric-Wing Conspiracy (my term, not Scott’s).

This presentation is likely a little on the deep side for newcomers, and therefore might serve best as a back-pocket reference for those of us talking to newcomers. In either case, it’s a welcome addition.


[1] And he includes, on slide 10, one of my all-time favorite quotations albeit in abbreviated form. The full version is: “They laughed at Columbus, they laughed at Fulton, they laughed at the Wright Brothers. But they also laughed at Bozo the Clown.” The speaker was, of course, Carl Sagan.


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