It's not Global Warming, it's not an Ice Age.
It is Extreme & Erratic: getting hotter, getting colder, getting dryer, getting wetter, getting windier, getting more 'shaky' underground with quakes, Volcanos, etc - all in packages.
It's like watching the biorythms of a dying person of weak consistency resulting in extreme and erratic before ________________________________________________________________________________
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Until life may return again for the last 1.6 million years it has left till the Star Gliese side-swipes our Solar-System within our own Orrt Cloud.