Son-in-love, whose job it is to contribute certain types of data to the International Climate modeling teams, explained to me today what's happening with the climate: Because the poles are getting warmer, there's less difference between polar and equatorial temperatures. The reduced differential makes for less energy pumping the jet streams. They flatten and slow and we wind up with stable divides - long-term cold and wet on one side, long-term hot and dry on the other, so drought in California and snowstorms/floods east of the Rockies. We also lose seasonal changes, maybe down to two instead of four. And the seasonal weather patterns change so that rainfall doesn't match up with the same temperatures as before or the same times and light conditions as before, which makes for problems for agriculture. We are in for big trouble.
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