Callendar

Students in GL 4003 Global Change have not had much chance to discuss Callender's original 1938 paper on the role of carbon dioxide in global warming, although it was assigned and given out as part of the course "packet," along with Arrhenius' and Tyndall's earlier work. Here's your chance to put it in context.

Now a celebratory retrospective has appeared, for the 75th anniversary. It's well worth a few moments of time for anyone who's serious about understanding climate science.

Here's the Guardian article.

Here's the paper (in the RMS Quarterly).

Here's the data, comparing the original with the (much newer) HADcru4.

Pretty good for a (so-called) amateur, I'd say.