This is has been a terrific semester that has included some of the best students of my career. This is my year-end review of the lessons on climate change that have been presented in the three courses that I teach. I hope you find this useful.
A correction: the CO2 concentration from NOAA just before the volcano shut down the Keeling laboratory at Mona Loa was 418 ppm for 28 NOVEMBER 2022, not December as I stated.
I have added very little to this blog while I have recovered from a health crisis and redeveloped my courses. In the coming months I will be resurrecting www.environmentalcentury.net I will be using mainly videos produced from my home studio.
The Environmental Century 
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