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Still remember how worried I was one day in 2014 knowing CO2 got surpassed 400ppm when I was a grad student. Now feel even worse though not surprised showing higher and higher CO2 in the Env Sci courses to my students over semesters.

a rise of 27ppm in 10 years-the Milankovitch cycle over the last 800,000 years- that increase would take over 2,000 years- and We have did it in a decade! Where is American Exceptionalism When you need it? 🤪