This site provides information about this course, offered in the Fall of 2026. (Last year's website for this course: GR6037_f25 and for last year's spring semester: GR6038_s26) ...

We take the 1880-1920 global mean temperature as our best estimate for the pre-industrial value. However, the spatial coverage of stations is not good for that period (no Antarctica data, e.g.), so ...

Featured climate data Climate Uncensored: Data & Figures We are beginning a revamp of the Climate Uncensored: Data & Figures pages, starting with global temperature. This section will serve as the hub ...

Subscribe to our listserv at https://lists.columbia.edu/mailman/listinfo/cuttc Start coming to practice! All skills levels are welcome. We practice from Thursdays 9pm ...

the ocean crust is almost entirely mafic: extrusive basalts and intrusive gabbros ...

PDF, data through January 2026. NOAA explains "The difference is then adjusted so the variance equals the original Nino 3.4 index", but I didn't normalize. The NOAA's ...

“Naginata is, through naginata practice, the fostering of both the physical and mental harmonization of the individual.” — Cited from the “Naginata Handbook (Study Guide of Questions and Explanations) ...

Date: 1975. Digital's first upper/lower case video terminal. Its previous video terminals, the VT05 and VT50 (both of which we had in our PDP-11 machine room 1975-76), were upper-case only. In 1978, ...

Access to My Library Account has changed temporarily. You can still access your account, renew your books, and see your requests -- just go to CLIO first.

Miller, D.H. and J.E. Hansen, 2019: Why Fee and Dividend Will Reduce Emissions Faster Than Other Carbon Pricing Policy Options, OurEnergyLibrary, Response to the Request for Information from the ...

On the modern Google map at left, I traced the outline of Hall's Hill as best I can, given that I've never seen a proper map of it. Towards the upper center of the map, the circled A marks my ...

Jagdish Bhagwati is University Professor (Economics, Law, and International Affairs) at Columbia University and Director of the Raj Center on Indian Economic Policies. He was Senior Fellow for ...